,                        ,,                        ,,                        ,, Daily Volume MWh (avg  ,, Number of Trades (avg  ,, Number of Companies    ,
                    , High Price $/MWh       ,, Low Price $/MWh        ,, Wtd Avg Price $/MWh    ,, per day)               ,, per day)               ,, (avg per day)          ,
                    , Jan.2005 to Aug.1.2011 ,, Jan.2005 to Aug.1.2011 ,, Jan.2005 to Aug.1.2011 ,, Jan.2005 to Aug.1.2011 ,, Jan.2005 to Aug.1.2011 ,, Jan.2005 to Aug.1.2011 ,
                    , ,                      ,, ,                      ,, ,                      ,, ,                      ,, ,                      ,, ,                      ,
                    ,  Jan.2005 to Aug.1.2011,,  Jan.2005 to Aug.1.2011,,  Jan.2005 to Aug.1.2011,,  Jan.2005 to Aug.1.2011,,  Jan.2005 to Aug.1.2011,,  Jan.2005 to Aug.1.2011,
                    ,                        ,,                        ,,                        ,,                        ,,                        ,,                        ,
2011-08-05          ,            74.00,       ,            74.00,       ,            74.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-07-29          ,            55.50,       ,            55.50,       ,            55.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-07-22          ,            80.25,       ,            80.25,       ,            80.25,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-07-15          ,            75.00,       ,            75.00,       ,            75.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-07-08          ,            54.00,       ,            54.00,       ,            54.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-07-01          ,            44.25,       ,            44.25,       ,            44.25,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-06-24          ,            48.25,       ,            48.25,       ,            48.25,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-06-17          ,            54.00,       ,            54.00,       ,            54.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-06-10          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-06-03          ,            49.50,       ,            49.50,       ,            49.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-05-27          ,            54.00,       ,            54.00,       ,            54.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-05-20          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-05-13          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-05-06          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-04-29          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-04-22          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-04-15          ,            41.00,       ,            41.00,       ,            41.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-04-08          ,            46.00,       ,            46.00,       ,            46.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-04-01          ,            41.00,       ,            41.00,       ,            41.00,       ,           1800.0,       ,           2.0000,       ,           2.2500,       
2011-03-25          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-03-18          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-03-11          ,            37.50,       ,            37.50,       ,            37.50,       ,           1200.0,       ,           1.5000,       ,           2.5000,       
2011-03-04          ,            37.50,       ,            37.50,       ,            37.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-02-25          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-02-18          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-02-11          ,            47.50,       ,            47.50,       ,            47.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-02-04          ,            41.00,       ,            41.00,       ,            41.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-01-28          ,            42.00,       ,            42.00,       ,            42.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2011-01-21          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-01-14          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2011-01-07          ,            52.00,       ,            52.00,       ,            52.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-12-31          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-12-24          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-12-17          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-12-10          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-12-03          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-11-26          ,            37.25,       ,            37.00,       ,            37.13,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2010-11-19          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-11-12          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-11-05          ,            37.50,       ,            37.50,       ,            37.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-10-29          ,            34.50,       ,            34.25,       ,            34.38,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2010-10-22          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-10-15          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-10-08          ,            34.00,       ,            33.00,       ,            33.56,       ,           3200.0,       ,           4.0000,       ,           2.0000,       
2010-10-01          ,            34.00,       ,            34.00,       ,            34.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-09-24          ,            46.00,       ,            46.00,       ,            46.00,       ,           1066.7,       ,           1.3333,       ,           2.3333,       
2010-09-17          ,            38.50,       ,            38.50,       ,            38.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-09-10          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-09-03          ,            45.00,       ,            45.00,       ,            45.00,       ,           1600.0,       ,           2.0000,       ,           2.6667,       
2010-08-27          ,            55.00,       ,            55.00,       ,            55.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-08-20          ,            46.00,       ,            46.00,       ,            46.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-08-13          ,            63.50,       ,            63.00,       ,            63.25,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2010-08-06          ,            67.50,       ,            67.50,       ,            67.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-07-30          ,            57.00,       ,            57.00,       ,            57.00,       ,           2133.3,       ,           2.6667,       ,           4.0000,       
2010-07-23          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-07-16          ,            64.50,       ,            64.50,       ,            64.50,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2010-07-09          ,            69.75,       ,            69.75,       ,            69.75,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-07-02          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-06-25          ,            66.00,       ,            66.00,       ,            66.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-06-18          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-06-11          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-06-04          ,            49.00,       ,            49.00,       ,            49.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-05-28          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-05-21          ,            40.00,       ,            40.00,       ,            40.00,       ,           1200.0,       ,           1.5000,       ,           2.0000,       
2010-05-14          ,            41.50,       ,            41.50,       ,            41.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-05-07          ,            39.00,       ,            39.00,       ,            39.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-04-30          ,            37.00,       ,            37.00,       ,            37.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-04-23          ,            36.50,       ,            36.50,       ,            36.50,       ,           1066.7,       ,           1.3333,       ,           2.0000,       
2010-04-16          ,            41.25,       ,            40.75,       ,            41.05,       ,           2133.3,       ,           2.6667,       ,           2.6667,       
2010-04-09          ,            40.00,       ,            40.00,       ,            40.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-04-02          ,            34.75,       ,            34.75,       ,            34.75,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-03-26          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-03-19          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-03-12          ,            36.50,       ,            36.50,       ,            36.50,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2010-03-05          ,            44.00,       ,            44.00,       ,            44.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2010-02-26          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-02-19          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-02-12          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-02-05          ,            43.00,       ,            43.00,       ,            43.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-01-29          ,            47.50,       ,            47.50,       ,            47.50,       ,           2933.3,       ,           3.6667,       ,           2.3333,       
2010-01-22          ,            40.00,       ,            40.00,       ,            40.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2010-01-15          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2010-01-08          ,            64.00,       ,            64.00,       ,            64.00,       ,           4160.0,       ,           3.4000,       ,           4.2000,       
2010-01-01          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2009-12-25          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2009-12-18          ,            48.00,       ,            48.00,       ,            48.00,       ,           3466.7,       ,           2.3333,       ,           3.0000,       
2009-12-11          ,            50.00,       ,            49.50,       ,            49.88,       ,           2600.0,       ,           3.2500,       ,           3.2500,       
2009-12-04          ,            41.00,       ,            41.00,       ,            41.00,       ,           1600.0,       ,           2.0000,       ,           2.5000,       
2009-11-27          ,            30.00,       ,            30.00,       ,            30.00,       ,           1600.0,       ,           1.6667,       ,           2.3333,       
2009-11-20          ,            33.00,       ,            33.00,       ,            33.00,       ,           2800.0,       ,           3.5000,       ,           3.7500,       
2009-11-13          ,            30.00,       ,            30.00,       ,            30.00,       ,           1600.0,       ,           2.0000,       ,           2.6667,       
2009-11-06          ,            38.50,       ,            38.50,       ,            38.50,       ,           1200.0,       ,           1.5000,       ,           2.5000,       
2009-10-30          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2009-10-23          ,            35.00,       ,            35.00,       ,            35.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2009-10-16          ,            39.00,       ,            38.75,       ,            38.88,       ,           1333.3,       ,           1.6667,       ,           2.0000,       
2009-10-09          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2009-10-02          ,            27.50,       ,            27.50,       ,            27.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2009-09-25          ,            35.00,       ,            35.00,       ,            35.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2009-09-18          ,            31.50,       ,            31.50,       ,            31.50,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2009-09-11          ,            32.25,       ,            31.85,       ,            32.02,       ,           4000.0,       ,           5.0000,       ,           5.0000,       
2009-09-04          ,            28.00,       ,            27.50,       ,            27.83,       ,           3040.0,       ,           3.0000,       ,           3.0000,       
2009-08-28          ,            33.00,       ,            33.00,       ,            33.00,       ,           3200.0,       ,           4.0000,       ,           3.0000,       
2009-08-21          ,            32.00,       ,            32.00,       ,            32.00,       ,           1800.0,       ,           2.0000,       ,           2.5000,       
2009-08-14          ,            38.50,       ,            38.00,       ,            38.13,       ,           3600.0,       ,           4.5000,       ,           4.0000,       
2009-08-07          ,            33.00,       ,            33.00,       ,            33.00,       ,           1333.3,       ,           1.3333,       ,           2.3333,       
2009-07-31          ,            33.00,       ,            33.00,       ,            33.00,       ,           1200.0,       ,           1.5000,       ,           3.0000,       
2009-07-24          ,            35.25,       ,            35.00,       ,            35.13,       ,           3200.0,       ,           4.0000,       ,           5.0000,       
2009-07-17          ,            33.50,       ,            33.00,       ,            33.13,       ,           4000.0,       ,           5.0000,       ,           3.0000,       
2009-07-10          ,            33.75,       ,            33.75,       ,            33.75,       ,           1066.7,       ,           1.3333,       ,           2.0000,       
2009-07-03          ,            29.50,       ,            29.50,       ,            29.50,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2009-06-26          ,            46.00,       ,            46.00,       ,            46.00,       ,           2400.0,       ,           3.0000,       ,           2.0000,       
2009-06-19          ,            36.50,       ,            36.00,       ,            36.07,       ,           5600.0,       ,           7.0000,       ,           3.0000,       
2009-06-12          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2009-06-05          ,            27.50,       ,            27.50,       ,            27.50,       ,           1733.3,       ,           2.3333,       ,           3.3333,       
2009-05-29          ,            39.00,       ,            38.50,       ,            38.83,       ,           1333.3,       ,           1.6667,       ,           2.3333,       
2009-05-22          ,            37.00,       ,            36.50,       ,            36.88,       ,           4800.0,       ,           6.0000,       ,           4.5000,       
2009-05-15          ,            38.00,       ,            37.50,       ,            37.75,       ,           1200.0,       ,           1.5000,       ,           2.0000,       
2009-05-08          ,            37.00,       ,            37.00,       ,            37.00,       ,           2933.3,       ,           3.0000,       ,           2.6667,       
2009-05-01          ,            32.00,       ,            32.00,       ,            32.00,       ,           4320.0,       ,           5.4000,       ,           4.6000,       
2009-04-24          ,            39.00,       ,            39.00,       ,            39.00,       ,           3200.0,       ,           4.0000,       ,           4.6667,       
2009-04-17          ,            34.50,       ,            34.50,       ,            34.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2009-04-10          ,            31.00,       ,            30.00,       ,            30.50,       ,           2666.7,       ,           3.3333,       ,           4.6667,       
2009-04-03          ,            38.00,       ,            37.00,       ,            37.48,       ,           2933.3,       ,           3.6667,       ,           4.3333,       
2009-03-27          ,            36.00,       ,            36.00,       ,            36.00,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2009-03-20          ,            34.50,       ,            31.75,       ,            32.79,       ,           4400.0,       ,           4.5000,       ,           6.5000,       
2009-03-13          ,            36.50,       ,            36.00,       ,            36.14,       ,           7600.0,       ,           9.5000,       ,           8.7500,       
2009-03-06          ,            35.00,       ,            35.00,       ,            35.00,       ,           5333.3,       ,           6.6667,       ,           5.0000,       
2009-02-27          ,            34.00,       ,            34.00,       ,            34.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2009-02-20          ,            42.00,       ,            41.00,       ,            41.45,       ,           2933.3,       ,           3.6667,       ,           4.3333,       
2009-02-13          ,            40.25,       ,            40.00,       ,            40.13,       ,           3733.3,       ,           4.6667,       ,           5.0000,       
2009-02-06          ,            47.00,       ,            46.00,       ,            46.50,       ,           3400.0,       ,           4.2500,       ,           5.5000,       
2009-01-30          ,            46.75,       ,            46.75,       ,            46.75,       ,           2880.0,       ,           3.4000,       ,           4.4000,       
2009-01-23          ,            53.00,       ,            53.00,       ,            53.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2009-01-16          ,            49.00,       ,            49.00,       ,            49.00,       ,           3840.0,       ,           4.8000,       ,           5.6000,       
2009-01-09          ,            56.75,       ,            56.75,       ,            56.75,       ,           2080.0,       ,           2.6000,       ,           2.6000,       
2009-01-02          ,            48.00,       ,            48.00,       ,            48.00,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2008-12-26          ,            35.00,       ,            35.00,       ,            35.00,       ,           2400.0,       ,           2.0000,       ,           3.0000,       
2008-12-19          ,            45.50,       ,            45.50,       ,            45.50,       ,           2600.0,       ,           3.2500,       ,           3.5000,       
2008-12-12          ,            49.00,       ,            49.00,       ,            49.00,       ,           2000.0,       ,           2.5000,       ,           3.0000,       
2008-12-05          ,            56.00,       ,            55.50,       ,            55.83,       ,           4800.0,       ,           6.0000,       ,           3.0000,       
2008-11-28          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2008-11-21          ,            62.00,       ,            62.00,       ,            62.00,       ,           2800.0,       ,           3.5000,       ,           3.5000,       
2008-11-14          ,            57.00,       ,            57.00,       ,            57.00,       ,           3466.7,       ,           4.3333,       ,           3.3333,       
2008-11-07          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2008-10-31          ,            55.00,       ,            54.00,       ,            54.55,       ,           4000.0,       ,           5.0000,       ,           5.0000,       
2008-10-24          ,            58.00,       ,            58.00,       ,            58.00,       ,           2933.3,       ,           3.6667,       ,           3.6667,       
2008-10-17          ,            45.50,       ,            45.50,       ,            45.50,       ,           3000.0,       ,           3.7500,       ,           4.0000,       
2008-10-10          ,            47.50,       ,            47.50,       ,            47.50,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-10-03          ,            45.00,       ,            45.00,       ,            45.00,       ,           1600.0,       ,           2.0000,       ,           2.5000,       
2008-09-26          ,            56.50,       ,            56.50,       ,            56.50,       ,           3466.7,       ,           4.3333,       ,           4.0000,       
2008-09-19          ,            47.00,       ,            47.00,       ,            47.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-09-12          ,            54.00,       ,            51.00,       ,            52.20,       ,           4533.3,       ,           5.6667,       ,           5.3333,       
2008-09-05          ,            62.00,       ,            62.00,       ,            62.00,       ,           7200.0,       ,           8.6667,       ,           5.6667,       
2008-08-29          ,            82.50,       ,            82.50,       ,            82.50,       ,           5400.0,       ,           6.7500,       ,           4.2500,       
2008-08-22          ,            65.00,       ,            65.00,       ,            65.00,       ,           4266.7,       ,           5.3333,       ,           4.6667,       
2008-08-15          ,            61.50,       ,            60.00,       ,            60.49,       ,           5600.0,       ,           7.0000,       ,           4.0000,       
2008-08-08          ,            66.00,       ,            66.00,       ,            66.00,       ,           3520.0,       ,           4.4000,       ,           3.8000,       
2008-08-01          ,           110.00,       ,           109.00,       ,           109.44,       ,           6000.0,       ,           7.5000,       ,           5.2500,       
2008-07-25          ,            81.00,       ,            81.00,       ,            81.00,       ,           4160.0,       ,           5.2000,       ,           4.4000,       
2008-07-18          ,           104.00,       ,           103.00,       ,           103.40,       ,           5120.0,       ,           6.4000,       ,           5.2000,       
2008-07-11          ,            80.00,       ,            80.00,       ,            80.00,       ,           3000.0,       ,           3.7500,       ,           3.0000,       
2008-07-04          ,           115.00,       ,           114.00,       ,           114.50,       ,           4600.0,       ,           5.2500,       ,           4.0000,       
2008-06-27          ,            75.00,       ,            75.00,       ,            75.00,       ,           6400.0,       ,           8.0000,       ,           5.2000,       
2008-06-20          ,            78.25,       ,            77.00,       ,            77.88,       ,           3000.0,       ,           3.7500,       ,           3.2500,       
2008-06-13          ,           107.00,       ,           100.00,       ,           104.00,       ,           4266.7,       ,           5.3333,       ,           4.6667,       
2008-06-06          ,           150.00,       ,           150.00,       ,           150.00,       ,           8000.0,       ,           8.8000,       ,           5.6000,       
2008-05-30          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2008-05-23          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2008-05-16          ,            62.00,       ,            62.00,       ,            62.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-05-09          ,            67.00,       ,            67.00,       ,            67.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-05-02          ,            62.50,       ,            62.25,       ,            62.33,       ,           2000.0,       ,           2.0000,       ,           3.5000,       
2008-04-25          ,            78.00,       ,            78.00,       ,            78.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2008-04-18          ,            65.25,       ,            64.75,       ,            64.94,       ,           2000.0,       ,           2.0000,       ,           2.5000,       
2008-04-11          ,            83.00,       ,            83.00,       ,            83.00,       ,           1200.0,       ,           1.5000,       ,           2.5000,       
2008-04-04          ,            72.00,       ,            72.00,       ,            72.00,       ,           2400.0,       ,           3.0000,       ,           3.3333,       
2008-03-28          ,            66.00,       ,            66.00,       ,            66.00,       ,           1600.0,       ,           2.0000,       ,           2.0000,       
2008-03-21          ,            69.00,       ,            68.75,       ,            68.96,       ,           3600.0,       ,           4.0000,       ,           4.0000,       
2008-03-14          ,            70.00,       ,            70.00,       ,            70.00,       ,           3200.0,       ,           4.0000,       ,           3.2500,       
2008-03-07          ,            77.00,       ,            77.00,       ,            77.00,       ,           2933.3,       ,           3.6667,       ,           4.0000,       
2008-02-29          ,            82.00,       ,            82.00,       ,            82.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-02-22          ,            80.00,       ,            80.00,       ,            80.00,       ,           6666.7,       ,           8.3333,       ,           4.3333,       
2008-02-15          ,            66.00,       ,            64.00,       ,            65.00,       ,           2666.7,       ,           3.3333,       ,           3.3333,       
2008-02-08          ,            74.00,       ,            74.00,       ,            74.00,       ,           1120.0,       ,           1.4000,       ,           2.2000,       
2008-02-01          ,            68.00,       ,            68.00,       ,            68.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2008-01-25          ,            70.00,       ,            68.00,       ,            68.63,       ,           5600.0,       ,           6.7500,       ,           5.7500,       
2008-01-18          ,            84.00,       ,            82.00,       ,            82.39,       ,           3200.0,       ,           4.0000,       ,           3.5000,       
2008-01-11          ,            47.50,       ,            47.50,       ,            47.50,       ,           1066.7,       ,           1.3333,       ,           2.3333,       
2008-01-04          ,            85.00,       ,            80.00,       ,            82.25,       ,           6400.0,       ,           8.0000,       ,           6.0000,       
2007-12-28          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2007-12-21          ,            62.00,       ,            60.00,       ,            60.80,       ,           4800.0,       ,           6.0000,       ,           5.5000,       
2007-12-14          ,            66.50,       ,            66.50,       ,            66.50,       ,           4800.0,       ,           5.3333,       ,           2.3333,       
2007-12-07          ,            67.50,       ,            66.00,       ,            66.70,       ,           6200.0,       ,           7.7500,       ,           6.2500,       
2007-11-30          ,            56.00,       ,            56.00,       ,            56.00,       ,           1600.0,       ,           2.0000,       ,           2.3333,       
2007-11-23          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2007-11-16          ,            59.50,       ,            59.50,       ,            59.50,       ,           2000.0,       ,           2.5000,       ,           2.5000,       
2007-11-09          ,            59.00,       ,            59.00,       ,            59.00,       ,           4800.0,       ,           3.5000,       ,           2.7500,       
2007-11-02          ,            57.50,       ,            56.00,       ,            56.52,       ,          10400.0,       ,          11.2500,       ,           6.2500,       
2007-10-26          ,            57.00,       ,            57.00,       ,            57.00,       ,           6240.0,       ,           7.4000,       ,           3.8000,       
2007-10-19          ,            58.00,       ,            58.00,       ,            58.00,       ,           3200.0,       ,           3.2500,       ,           3.7500,       
2007-10-12          ,            55.25,       ,            54.00,       ,            54.54,       ,           3200.0,       ,           3.6667,       ,           3.6667,       
2007-10-05          ,            81.00,       ,            81.00,       ,            81.00,       ,           1800.0,       ,           2.2500,       ,           2.7500,       
2007-09-28          ,            49.50,       ,            49.50,       ,            49.50,       ,           4800.0,       ,           5.0000,       ,           5.0000,       
2007-09-21          ,            56.00,       ,            55.00,       ,            55.35,       ,           4320.0,       ,           5.2000,       ,           5.0000,       
2007-09-14          ,            40.00,       ,            40.00,       ,            40.00,       ,           4533.3,       ,           5.6667,       ,           4.3333,       
2007-09-07          ,            52.00,       ,            49.00,       ,            49.60,       ,           3466.7,       ,           4.3333,       ,           3.6667,       
2007-08-31          ,            60.00,       ,            60.00,       ,            60.00,       ,           4800.0,       ,           6.0000,       ,           4.0000,       
2007-08-24          ,            78.00,       ,            78.00,       ,            78.00,       ,           4000.0,       ,           5.0000,       ,           4.0000,       
2007-08-17          ,            65.25,       ,            65.25,       ,            65.25,       ,           4320.0,       ,           5.0000,       ,           4.0000,       
2007-08-10          ,            80.25,       ,            79.00,       ,            79.75,       ,           2720.0,       ,           3.4000,       ,           3.2000,       
2007-08-03          ,            84.00,       ,            83.00,       ,            83.83,       ,           5280.0,       ,           6.6000,       ,           5.4000,       
2007-07-27          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2007-07-20          ,            48.00,       ,            46.50,       ,            47.50,       ,           5400.0,       ,           6.5000,       ,           6.5000,       
2007-07-13          ,            71.00,       ,            69.00,       ,            70.00,       ,           2560.0,       ,           3.2000,       ,           3.8000,       
2007-07-06          ,            55.50,       ,            53.00,       ,            54.28,       ,           6000.0,       ,           7.5000,       ,           5.5000,       
2007-06-29          ,            49.00,       ,            47.00,       ,            48.17,       ,           5920.0,       ,           7.4000,       ,           5.4000,       
2007-06-22          ,            76.00,       ,            73.00,       ,            74.16,       ,           4000.0,       ,           5.0000,       ,           4.2000,       
2007-06-15          ,            94.50,       ,            93.00,       ,            93.41,       ,           6400.0,       ,           7.8000,       ,           5.8000,       
2007-06-08          ,            68.00,       ,            64.00,       ,            66.33,       ,           4960.0,       ,           6.2000,       ,           5.8000,       
2007-06-01          ,            62.00,       ,            62.00,       ,            62.00,       ,           4000.0,       ,           5.0000,       ,           5.7500,       
2007-05-25          ,            65.50,       ,            64.00,       ,            64.83,       ,           6080.0,       ,           7.6000,       ,           5.4000,       
2007-05-18          ,            58.50,       ,            58.50,       ,            58.50,       ,           4200.0,       ,           5.2500,       ,           4.0000,       
2007-05-11          ,            62.50,       ,            62.00,       ,            62.17,       ,           4200.0,       ,           5.2500,       ,           5.7500,       
2007-05-04          ,            53.50,       ,            53.50,       ,            53.50,       ,           3000.0,       ,           3.7500,       ,           3.7500,       
2007-04-27          ,            70.00,       ,            70.00,       ,            70.00,       ,           2400.0,       ,           3.0000,       ,           3.0000,       
2007-04-20          ,            53.00,       ,            52.00,       ,            52.50,       ,           3840.0,       ,           4.8000,       ,           5.0000,       
2007-04-13          ,            70.00,       ,            69.00,       ,            69.50,       ,           1866.7,       ,           2.3333,       ,           2.6667,       
2007-04-06          ,            68.00,       ,            66.00,       ,            67.39,       ,           2400.0,       ,           3.0000,       ,           3.3333,       
2007-03-30          ,            46.50,       ,            46.00,       ,            46.38,       ,           2800.0,       ,           3.0000,       ,           3.0000,       
2007-03-23          ,            46.00,       ,            46.00,       ,            46.00,       ,           3000.0,       ,           3.7500,       ,           4.0000,       
2007-03-16          ,            57.00,       ,            54.50,       ,            55.75,       ,           3600.0,       ,           4.5000,       ,           5.0000,       
2007-03-09          ,            41.00,       ,            41.00,       ,            41.00,       ,           4400.0,       ,           5.2500,       ,           4.7500,       
2007-03-02          ,            60.00,       ,            57.00,       ,            58.50,       ,           4000.0,       ,           4.8000,       ,           4.2000,       
2007-02-23          ,            46.50,       ,            46.50,       ,            46.50,       ,           3733.3,       ,           4.6667,       ,           4.0000,       
2007-02-16          ,            86.00,       ,            86.00,       ,            86.00,       ,           3400.0,       ,           4.2500,       ,           4.2500,       
2007-02-09          ,            67.50,       ,            67.50,       ,            67.50,       ,           2720.0,       ,           3.4000,       ,           3.6000,       
2007-02-02          ,            87.00,       ,            87.00,       ,            87.00,       ,           4480.0,       ,           5.6000,       ,           4.4000,       
2007-01-26          ,            58.00,       ,            57.25,       ,            57.63,       ,           2880.0,       ,           3.6000,       ,           3.6000,       
2007-01-19          ,            50.00,       ,            50.00,       ,            50.00,       ,           5800.0,       ,           7.2500,       ,           6.2500,       
2007-01-12          ,            42.00,       ,            40.00,       ,            40.73,       ,           6800.0,       ,           8.5000,       ,           7.0000,       
2007-01-05          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2006-12-29          ,            30.00,       ,            30.00,       ,            30.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2006-12-22          ,            45.00,       ,            45.00,       ,            45.00,       ,           3200.0,       ,           4.0000,       ,           4.0000,       
2006-12-15          ,            38.50,       ,            38.50,       ,            38.50,       ,           3200.0,       ,           4.0000,       ,           3.0000,       
2006-12-08          ,            66.00,       ,            65.00,       ,            65.50,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2006-12-01          ,            53.00,       ,            52.00,       ,            52.33,       ,           2133.3,       ,           2.6667,       ,           4.3333,       
2006-11-24          ,            52.00,       ,            52.00,       ,            52.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2006-11-17          ,            59.00,       ,            57.00,       ,            58.33,       ,           2400.0,       ,           3.0000,       ,           3.0000,       
2006-11-10          ,            47.25,       ,            47.25,       ,            47.25,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2006-11-03          ,            61.50,       ,            61.50,       ,            61.50,       ,           1333.3,       ,           1.3333,       ,           2.0000,       
2006-10-27          ,            61.00,       ,            60.00,       ,            60.50,       ,           1600.0,       ,           2.0000,       ,           2.5000,       
2006-10-20          ,            47.00,       ,            47.00,       ,            47.00,       ,           1600.0,       ,           2.0000,       ,           2.6667,       
2006-10-13          ,            38.00,       ,            38.00,       ,            38.00,       ,           2200.0,       ,           2.7500,       ,           3.2500,       
2006-10-06          ,            35.00,       ,            35.00,       ,            35.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2006-09-29          ,            37.50,       ,            37.50,       ,            37.50,       ,           1200.0,       ,           1.5000,       ,           2.0000,       
2006-09-22          ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  ,                    na,  
2006-09-15          ,            43.00,       ,            43.00,       ,            43.00,       ,          800.000,       ,           1.0000,       ,           2.0000,       
2006-09-08          ,            47.00,       ,            46.00,       ,            46.71,       ,           4800.0,       ,           6.0000,       ,           5.0000,       
2006-09-01          ,            50.00,       ,            49.00,       ,            49.67,       ,           4800.0,       ,           6.0000,       ,           5.5000,       
2006-08-25          ,            65.00,       ,            64.50,       ,            64.71,       ,           4160.0,       ,           4.6000,       ,           3.8000,       
2006-08-18          ,            55.00,       ,            55.00,       ,            55.00,       ,           4480.0,       ,           5.4000,       ,           3.8000,       
2006-08-11          ,            69.00,       ,            68.00,       ,            68.33,       ,           1600.0,       ,           2.0000,       ,           2.8000,       
2006-08-04          ,            88.00,       ,            87.00,       ,            87.69,       ,           4000.0,       ,           4.2000,       ,           3.8000,       
2006-07-28          ,           106.50,       ,           105.00,       ,           105.88,       ,           6560.0,       ,           8.2000,       ,           5.2000,       
2006-07-21          ,            59.00,       ,            59.00,       ,            59.00,       ,           4600.0,       ,           5.7500,       ,           5.2500,       
2006-07-14          ,            88.00,       ,            85.00,       ,            86.50,       ,           2240.0,       ,           2.6000,       ,           4.0000,       
2006-07-07          ,            51.50,       ,            51.00,       ,            51.33,       ,           2400.0,       ,           3.0000,       ,           3.5000,       
2006-06-30          ,            50.00,       ,            48.00,       ,            49.17,       ,           3200.0,       ,           4.0000,       ,           4.0000,       
2006-06-23          ,            53.50,       ,            53.50,       ,            53.50,       ,           2800.0,       ,           3.5000,       ,           4.0000,       
2006-06-16          ,            80.00,       ,            80.00,       ,            80.00,       ,           1066.7,       ,           1.3333,       ,           2.3333,       
2006-06-09          ,            46.50,       ,            46.00,       ,            46.25,       ,           2133.3,       ,           2.6667,       ,           3.3333,       
2006-06-02          ,            65.50,       ,            65.00,       ,            65.38,       ,           3200.0,       ,           4.0000,       ,           5.0000,       
2006-05-26          ,            60.00,       ,            59.00,       ,            59.33,       ,           2000.0,       ,           2.5000,       ,           3.0000,       
2006-05-19          ,            43.00,       ,            43.00,       ,            43.00,       ,           2400.0,       ,           1.0000,       ,           2.0000,       
2006-05-12          ,            56.00,       ,            56.00,       ,            56.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2006-05-05          ,            59.25,       ,            59.25,       ,            59.25,       ,           1066.7,       ,           1.3333,       ,           2.6667,       
2006-04-28          ,            50.00,       ,            50.00,       ,            50.00,       ,           1066.7,       ,           1.3333,       ,           2.0000,       
2006-04-21          ,            65.00,       ,            65.00,       ,            65.00,       ,           4000.0,       ,           5.0000,       ,           4.5000,       
2006-04-14          ,            48.00,       ,            48.00,       ,            48.00,       ,           2800.0,       ,           3.5000,       ,           3.5000,       
2006-04-07          ,            57.00,       ,            56.00,       ,            56.50,       ,           2000.0,       ,           2.5000,       ,           3.0000,       
2006-03-31          ,            49.00,       ,            49.00,       ,            49.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2006-03-24          ,            56.00,       ,            56.00,       ,            56.00,       ,           1600.0,       ,           2.0000,       ,           3.0000,       
2006-03-17          ,            51.00,       ,            51.00,       ,            51.00,       ,           1866.7,       ,           2.3333,       ,           2.6667,       
2006-03-10          ,            49.00,       ,            48.25,       ,            48.63,       ,           3200.0,       ,           4.0000,       ,           3.0000,       
2006-03-03          ,            46.00,       ,            45.50,       ,            45.75,       ,           2000.0,       ,           2.5000,       ,           3.5000,       
2006-02-24          ,            44.50,       ,            44.00,       ,            44.25,       ,           1066.7,       ,           1.3333,       ,           2.3333,       
2006-02-17          ,            47.50,       ,            47.00,       ,            47.10,       ,           2800.0,       ,           3.5000,       ,           4.5000,       
2006-02-10          ,            57.00,       ,            57.00,       ,            57.00,       ,           2000.0,       ,           2.5000,       ,           3.0000,       
2006-02-03          ,            63.00,       ,            63.00,       ,            63.00,       ,           1600.0,       ,           2.0000,       ,           3.2500,       
2006-01-27          ,            48.25,       ,            47.00,       ,            47.66,       ,           3200.0,       ,           4.0000,       ,           3.6667,       
2006-01-20          ,            48.00,       ,            46.00,       ,            47.00,       ,           3200.0,       ,           4.0000,       ,           5.0000,       
2006-01-13          ,            44.00,       ,            44.00,       ,            44.00,       ,           4000.0,       ,           4.3333,       ,           4.3333,       
2006-01-06          ,            50.50,       ,            50.00,       ,            50.25,       ,           2133.3,       ,           2.6667,       ,           4.0000,       
2005-12-30          ,            51.50,       ,            50.00,       ,            50.75,       ,           2400.0,       ,           3.0000,       ,           3.7500,       
2005-12-23          ,            57.00,       ,            57.00,       ,            57.00,       ,           2000.0,       ,           2.2500,       ,           2.7500,       
2005-12-16          ,            97.00,       ,            95.00,       ,            96.10,       ,           5120.0,       ,           6.4000,       ,           6.0000,       
2005-12-09          ,           103.00,       ,           102.00,       ,           102.75,       ,           3400.0,       ,           4.0000,       ,           3.7500,       
2005-12-02          ,            92.00,       ,            91.00,       ,            91.50,       ,           2720.0,       ,           3.4000,       ,           4.8000,       
2005-11-25          ,            56.00,       ,            53.00,       ,            54.67,       ,           4000.0,       ,           5.0000,       ,           5.3333,       
2005-11-18          ,            63.00,       ,            61.50,       ,            62.04,       ,           6080.0,       ,           7.6000,       ,           6.6000,       
2005-11-11          ,            54.00,       ,            53.00,       ,            53.40,       ,           4640.0,       ,           5.4000,       ,           5.2000,       
2005-11-04          ,            54.75,       ,            52.00,       ,            53.62,       ,           6240.0,       ,           7.8000,       ,           5.6000,       
2005-10-28          ,            57.00,       ,            56.00,       ,            56.50,       ,           3360.0,       ,           4.2000,       ,           5.4000,       
2005-10-21          ,            62.50,       ,            62.50,       ,            62.50,       ,           5760.0,       ,           7.2000,       ,           6.2000,       
2005-10-14          ,            70.00,       ,            70.00,       ,            70.00,       ,           2560.0,       ,           3.2000,       ,           3.6000,       
2005-10-07          ,            57.00,       ,            57.00,       ,            57.00,       ,           2600.0,       ,           3.0000,       ,           3.7500,       
2005-09-30          ,            80.00,       ,            80.00,       ,            80.00,       ,           2560.0,       ,           2.8000,       ,           4.0000,       
2005-09-23          ,            83.00,       ,            82.00,       ,            82.33,       ,           3360.0,       ,           4.2000,       ,           4.4000,       
2005-09-16          ,            65.50,       ,            65.25,       ,            65.28,       ,           3040.0,       ,           3.8000,       ,           4.0000,       
2005-09-09          ,            93.00,       ,            93.00,       ,            93.00,       ,           2800.0,       ,           3.5000,       ,           4.5000,       
2005-09-02          ,            82.00,       ,            80.00,       ,            81.20,       ,           7000.0,       ,           8.7500,       ,           7.5000,       
2005-08-26          ,            78.00,       ,            75.00,       ,            77.12,       ,           7200.0,       ,           8.8000,       ,           6.8000,       
2005-08-19          ,            62.00,       ,            60.00,       ,            61.25,       ,           6800.0,       ,           8.0000,       ,           7.5000,       
2005-08-12          ,            85.50,       ,            85.00,       ,            85.25,       ,           9600.0,       ,          11.8000,       ,           8.6000,       
2005-08-05          ,            82.00,       ,            80.00,       ,            81.17,       ,          12320.0,       ,          14.8000,       ,           9.2000,       
2005-07-29          ,            75.00,       ,            71.00,       ,            72.23,       ,           7200.0,       ,           8.8000,       ,           7.2000,       
2005-07-22          ,           103.00,       ,           100.50,       ,           101.71,       ,           8640.0,       ,          10.8000,       ,           7.6000,       
2005-07-15          ,            88.00,       ,            85.50,       ,            86.24,       ,           7360.0,       ,           9.2000,       ,           7.6000,       
2005-07-08          ,            68.00,       ,            67.00,       ,            67.57,       ,          11600.0,       ,          13.2500,       ,           9.7500,       
2005-07-01          ,            65.00,       ,            62.50,       ,            63.56,       ,           4640.0,       ,           5.8000,       ,           6.8000,       
2005-06-24          ,            76.00,       ,            73.00,       ,            74.09,       ,           9120.0,       ,          11.4000,       ,           9.6000,       
2005-06-17          ,            54.50,       ,            53.25,       ,            53.93,       ,          10080.0,       ,          10.8000,       ,           8.2000,       
2005-06-10          ,            74.00,       ,            72.00,       ,            73.39,       ,           7680.0,       ,           9.6000,       ,           7.2000,       
2005-06-03          ,            58.50,       ,            58.00,       ,            58.25,       ,           6000.0,       ,           7.5000,       ,           8.0000,       
2005-05-27          ,            43.50,       ,            42.75,       ,            43.04,       ,           5280.0,       ,           6.0000,       ,           6.0000,       
2005-05-20          ,            46.50,       ,            46.50,       ,            46.50,       ,           7360.0,       ,           8.2000,       ,           7.6000,       
2005-05-13          ,            47.00,       ,            46.50,       ,            46.89,       ,           9400.0,       ,          11.5000,       ,           9.7500,       
2005-05-06          ,            50.00,       ,            49.50,       ,            49.88,       ,           6560.0,       ,           8.2000,       ,           7.2000,       
2005-04-29          ,            53.50,       ,            52.50,       ,            53.00,       ,           9920.0,       ,          12.4000,       ,          10.0000,       
2005-04-22          ,            59.50,       ,            57.00,       ,            58.88,       ,          13440.0,       ,          16.0000,       ,          10.6000,       
2005-04-15          ,            56.25,       ,            55.00,       ,            55.38,       ,          19680.0,       ,          24.4000,       ,          12.2000,       
2005-04-08          ,            48.25,       ,            47.50,       ,            47.72,       ,          24000.0,       ,          30.0000,       ,          11.8000,       
2005-04-01          ,            49.25,       ,            48.00,       ,            48.53,       ,          11040.0,       ,          13.4000,       ,           9.8000,       
2005-03-25          ,            51.75,       ,            51.00,       ,            51.25,       ,          11200.0,       ,          13.8000,       ,          10.4000,       
2005-03-18          ,            54.50,       ,            53.25,       ,            54.15,       ,          14720.0,       ,          16.6000,       ,           9.4000,       
2005-03-11          ,            58.75,       ,            57.50,       ,            58.02,       ,          19040.0,       ,          23.2000,       ,          12.0000,       
2005-03-04          ,            47.25,       ,            46.00,       ,            46.58,       ,          15200.0,       ,          17.0000,       ,          11.0000,       
2005-02-25          ,            55.00,       ,            53.75,       ,            54.66,       ,          23040.0,       ,          24.8000,       ,          12.2000,       
2005-02-18          ,            42.50,       ,            40.50,       ,            41.21,       ,          25920.0,       ,          27.2000,       ,          12.0000,       
2005-02-11          ,            43.00,       ,            41.75,       ,            42.37,       ,          14720.0,       ,          18.0000,       ,          10.0000,       
2005-02-04          ,            46.75,       ,            44.00,       ,            45.64,       ,          19360.0,       ,          23.0000,       ,          12.4000,       
2005-01-28          ,            52.00,       ,            48.50,       ,            48.94,       ,          19200.0,       ,          22.0000,       ,          12.4000,       
2005-01-21          ,            57.00,       ,            54.00,       ,            55.58,       ,          25600.0,       ,          31.8000,       ,          13.0000,       
2005-01-14          ,            64.25,       ,            61.00,       ,            62.84,       ,          18880.0,       ,          21.0000,       ,          11.4000,       
2005-01-07          ,            36.00,       ,            34.00,       ,            34.61,       ,          12000.0,       ,          15.0000,       ,          10.0000,