| E C O N S T A T S TM | FUTURES / COMMODITIES / SPOT MKTS |
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, ,, ,, ,, ,, ,, ,, ,, ,, Average F.O.B. Cost ,, Average F.O.B. Cost ,
, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, F.O.B. Cost of Crude ,, of Crude Oil Imports ,, of Crude Oil Imports ,
, Oil Imports From Angol ,, Oil Imports From Colom ,, Oil Imports From Mexic ,, Oil Imports From Niger ,, Oil Imports From Saudi ,, Oil Imports From Unite ,, Oil Imports From Venez ,, Oil Imports From Persi ,, From All OPEC Countrie ,, From All Non-OPEC Coun ,
, a ,, bia ,, o ,, ia ,, Arabia ,, d Kingdom ,, uela ,, an Gulf Nations ,, s ,, tries ,
, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,, Dollars per Barrel ,
, Dec.1974 to Dec.1.2011,, Dec.1986 to Dec.1.2011,, Dec.1975 to Dec.1.2011,, Dec.1973 to Dec.1.2011,, Dec.1973 to Dec.1.2010,, Dec.1977 to Dec.1.2009,, Dec.1973 to Dec.1.2011,, Dec.1973 to Dec.1.2011,, Dec.1973 to Dec.1.2011,, Dec.1973 to Dec.1.2011,
, ,, ,, ,, ,, ,, ,, ,, ,, ,, ,
2011-05 , 112.89, , 106.23, , 105.11, , 118.18, , na, , na, , 101.76, , 110.41, , 107.99, , 105.07,
2011-04 , 122.52, , 114.17, , 109.90, , 126.05, , na, , na, , 106.56, , 114.76, , 115.13, , 108.48,
2011-03 , 113.63, , 101.29, , 102.55, , 117.98, , na, , na, , 97.56, , 107.36, , 106.19, , 102.44,
2011-02 , na, , 87.23, , 88.77, , 109.07, , na, , na, , 85.11, , 97.25, , 96.01, , 88.67,
2011-01 , 95.97, , 83.36, , 84.36, , 99.86, , na, , na, , 81.25, , na, , 89.74, , 83.92,
2010-12 , na, , 81.62, , 81.75, , 93.68, , na, , na, , 77.78, , na, , 85.72, , 82.40,
2010-11 , 85.99, , 78.92, , 77.14, , 86.61, , na, , na, , 75.03, , 80.99, , 80.95, , 78.49,
2010-10 , na, , 76.06, , 73.93, , 84.59, , na, , na, , 72.10, , 78.28, , 77.55, , 73.80,
2010-09 , na, , 69.71, , 69.90, , 80.93, , 74.06, , na, , 67.59, , 73.34, , 73.24, , 70.24,
2010-08 , 77.11, , 69.88, , 69.53, , 75.70, , na, , na, , 68.27, , 72.79, , 72.38, , 70.35,
2010-07 , 74.77, , 70.00, , 68.53, , 79.63, , na, , na, , 67.25, , 71.76, , 72.16, , 69.87,
2010-06 , 72.90, , 67.19, , 67.64, , 75.61, , na, , na, , 66.19, , 72.49, , 71.39, , 69.20,
2010-05 , 71.86, , 64.32, , 68.30, , 74.28, , na, , na, , 66.37, , 73.60, , 70.45, , 68.24,
2010-04 , 84.40, , 74.85, , 75.57, , 85.94, , na, , na, , 72.59, , 80.01, , 78.88, , 77.73,
2010-03 , 78.11, , 73.90, , 72.76, , 81.27, , na, , na, , 70.88, , 76.10, , 75.83, , 74.91,
2010-02 , na, , 68.70, , 69.16, , 76.07, , na, , na, , 68.83, , 71.89, , 71.77, , 71.14,
2010-01 , 74.62, , 70.08, , 72.96, , 75.91, , na, , na, , 70.86, , na, , 73.42, , 72.49,
2009-12 , 74.56, , 66.72, , 69.75, , 76.06, , na, , na, , 68.32, , 72.85, , 72.48, , 70.01,
2009-11 , 76.89, , 70.96, , 72.71, , 77.58, , na, , na, , 69.43, , 72.99, , 73.60, , 72.81,
2009-10 , 71.19, , 69.59, , 68.71, , 76.01, , na, , na, , 66.95, , 73.45, , 70.54, , 70.38,
2009-09 , 67.49, , 63.68, , 64.51, , 69.65, , na, , na, , 64.18, , 67.25, , 65.91, , 65.04,
2009-08 , 72.25, , 64.41, , 67.20, , 72.37, , 66.37, , na, , 65.42, , 66.14, , 67.65, , 67.31,
2009-07 , 63.34, , 58.58, , 60.42, , 69.73, , na, , na, , 60.16, , 63.42, , 63.25, , 61.39,
2009-06 , 66.96, , 62.94, , 63.83, , 69.00, , na, , na, , 63.16, , 64.26, , 65.37, , 64.34,
2009-05 , 55.23, , 54.17, , 55.49, , 59.02, , na, , na, , 54.91, , 58.05, , 56.30, , 55.12,
2009-04 , 50.59, , na, , 46.71, , 54.00, , na, , na, , 45.98, , 51.05, , 48.82, , 46.87,
2009-03 , 44.56, , 46.69, , 40.94, , 50.34, , 48.31, , na, , 41.78, , 47.66, , 45.75, , 42.96,
2009-02 , 40.60, , 32.55, , 37.59, , 45.02, , na, , na, , 38.03, , 36.38, , 39.71, , 36.81,
2009-01 , 39.50, , 26.24, , 36.96, , 46.26, , na, , na, , 36.68, , 35.24, , 37.61, , 36.15,
2008-12 , na, , na, , 32.86, , 44.02, , na, , na, , 32.98, , 35.69, , 35.79, , 32.90,
2008-11 , 48.16, , 42.14, , 42.37, , 51.45, , 47.97, , na, , 42.22, , 45.14, , 45.61, , 44.30,
2008-10 , 62.08, , 61.83, , 63.74, , 67.28, , 66.18, , na, , 60.35, , 61.78, , 62.77, , 63.42,
2008-09 , 92.42, , 95.87, , 92.26, , 95.68, , 70.86, , na, , 92.76, , 75.41, , 89.61, , 92.24,
2008-08 , 107.58, , 108.36, , 108.45, , 117.21, , 107.54, , na, , 110.20, , 105.06, , 108.99, , 107.17,
2008-07 , 127.19, , 122.27, , 123.19, , 134.58, , 110.61, , na, , 123.18, , 110.34, , 121.93, , 122.37,
2008-06 , 130.72, , 125.58, , 116.15, , 140.01, , 125.58, , na, , 119.15, , 124.37, , 126.30, , 120.14,
2008-05 , 119.61, , 117.49, , 103.53, , 127.35, , 123.98, , na, , 107.89, , 121.13, , 118.23, , 111.30,
2008-04 , 110.80, , 106.06, , 94.08, , 114.87, , na, , na, , 96.71, , 113.04, , 108.19, , 98.89,
2008-03 , 101.34, , 99.67, , 87.46, , 107.04, , na, , na, , 89.63, , 101.72, , 99.90, , 92.25,
2008-02 , 93.84, , 83.63, , 80.49, , 98.72, , na, , na, , 84.10, , 94.00, , 91.87, , 83.21,
2008-01 , 88.77, , 80.54, , 80.10, , 93.59, , 88.52, , na, , 80.49, , 83.79, , 85.51, , 80.72,
2007-12 , 88.27, , 90.11, , 80.49, , 96.18, , 81.45, , na, , 80.57, , 81.14, , 86.61, , 77.78,
2007-11 , 90.85, , na, , 79.13, , 94.71, , 86.74, , na, , 83.61, , 84.11, , 87.15, , 80.07,
2007-10 , 80.20, , 79.10, , 72.04, , 88.88, , na, , na, , 74.87, , 85.03, , 82.10, , 73.38,
2007-09 , 75.62, , 70.66, , 65.95, , 80.10, , na, , na, , 68.99, , 77.63, , 75.30, , 68.38,
2007-08 , 68.38, , 70.46, , 61.80, , 74.08, , na, , na, , 63.79, , 70.97, , 68.86, , 64.18,
2007-07 , 74.18, , 70.77, , 64.61, , 79.08, , na, , 76.35, , 66.02, , 70.75, , 72.04, , 66.48,
2007-06 , 69.63, , 67.21, , 59.91, , 75.55, , na, , na, , 61.01, , 65.45, , 67.05, , 61.12,
2007-05 , 65.85, , 62.06, , 55.60, , 71.40, , na, , na, , 57.47, , 63.71, , 63.77, , 57.78,
2007-04 , 65.45, , 58.26, , 54.36, , 69.72, , na, , na, , 56.48, , 58.82, , 62.32, , 56.42,
2007-03 , 60.34, , 58.44, , 50.21, , 64.88, , na, , 62.04, , 52.01, , 56.22, , 57.79, , 52.91,
2007-02 , 55.18, , 57.10, , 47.47, , 58.32, , na, , na, , 49.80, , 52.43, , 53.84, , 49.98,
2007-01 , 52.04, , 48.98, , 43.27, , 56.03, , na, , 53.57, , 44.79, , 50.06, , 50.92, , 45.31,
2006-12 , 58.28, , 53.99, , 50.09, , 62.24, , 52.76, , na, , 49.13, , 51.89, , 54.26, , 51.68,
2006-11 , 57.67, , 56.16, , 48.13, , 61.20, , 48.43, , na, , 48.54, , 49.57, , 53.07, , 50.26,
2006-10 , 54.00, , 52.38, , 47.64, , 58.62, , 52.19, , na, , 48.97, , 50.62, , 52.73, , 48.86,
2006-09 , 56.89, , 55.49, , 52.01, , 62.74, , 53.27, , na, , 52.02, , 52.13, , 55.87, , 53.58,
2006-08 , 68.94, , 65.45, , 59.97, , 72.67, , 54.21, , na, , 60.48, , 56.14, , 62.58, , 62.76,
2006-07 , 70.81, , 69.24, , 60.24, , 75.63, , na, , na, , 64.60, , 61.76, , 67.61, , 64.23,
2006-06 , 67.10, , 63.43, , 55.07, , 69.96, , 65.87, , 69.34, , 60.87, , 63.99, , 64.69, , 59.04,
2006-05 , 66.95, , 66.17, , 55.62, , 70.83, , 65.35, , 68.98, , 61.70, , 63.45, , 65.31, , 60.81,
2006-04 , na, , 62.26, , 57.12, , 71.85, , na, , na, , 62.93, , 61.12, , 65.06, , 59.75,
2006-03 , 60.07, , 54.10, , 50.16, , 64.05, , na, , 63.13, , 56.29, , 55.84, , 58.34, , 51.87,
2006-02 , 57.55, , 53.07, , 48.33, , 60.20, , na, , na, , 50.93, , 53.66, , 54.39, , 49.19,
2006-01 , 59.28, , 60.78, , 50.21, , 63.73, , na, , na, , 52.56, , 52.65, , 56.14, , 52.32,
2005-12 , 53.74, , 55.82, , 45.83, , 59.33, , na, , na, , 48.22, , 48.77, , 52.26, , 47.67,
2005-11 , 52.01, , 49.49, , 43.22, , 56.11, , na, , na, , 46.98, , 49.88, , 50.88, , 46.93,
2005-10 , 54.80, , na, , 48.62, , 60.89, , na, , 60.09, , 51.19, , 49.61, , 54.61, , 51.10,
2005-09 , 60.64, , 63.89, , 52.19, , 63.73, , na, , na, , 62.43, , na, , 60.70, , 55.52,
2005-08 , 62.16, , 55.44, , 50.54, , 65.78, , na, , 64.87, , 57.54, , 57.34, , 59.86, , 54.70,
2005-07 , 54.88, , na, , 46.74, , 59.03, , na, , 57.71, , 49.28, , 54.95, , 53.46, , 50.37,
2005-06 , 50.91, , 52.64, , 44.83, , 55.81, , 53.37, , na, , 47.06, , 50.98, , 51.11, , 46.19,
2005-05 , 45.35, , na, , 40.31, , 49.59, , 44.09, , na, , 41.78, , 43.65, , 44.44, , 41.46,
2005-04 , 48.46, , 50.25, , 40.43, , 51.72, , 45.68, , na, , 43.01, , 43.71, , 45.34, , 42.45,
2005-03 , 48.06, , 47.05, , 39.32, , 53.76, , 42.67, , 53.98, , 42.94, , 43.00, , 45.71, , 42.96,
2005-02 , 42.77, , na, , 33.21, , 48.24, , 40.11, , 42.58, , 37.82, , 39.37, , 41.07, , 37.30,
2005-01 , 38.20, , na, , 31.51, , 44.43, , 38.52, , na, , 34.35, , 36.03, , 37.51, , 34.34,
2004-12 , 36.01, , na, , 29.49, , 40.22, , na, , na, , 30.11, , 30.64, , 32.52, , 31.10,
2004-11 , 40.43, , na, , 33.09, , 43.14, , na, , na, , 32.23, , 34.05, , 35.50, , 36.43,
2004-10 , 47.64, , 45.74, , 40.38, , 49.15, , na, , na, , 39.55, , 37.35, , 41.33, , 42.87,
2004-09 , 41.03, , 41.80, , 35.27, , 44.82, , 38.41, , na, , 38.72, , 39.05, , 40.57, , 37.44,
2004-08 , 42.75, , na, , 34.24, , 43.18, , na, , 41.89, , 33.93, , 37.70, , 37.57, , 37.15,
2004-07 , 37.82, , 39.28, , 32.56, , 39.80, , 35.17, , na, , 32.46, , 34.90, , 35.28, , 34.68,
2004-06 , 36.57, , 35.10, , 30.33, , 35.63, , 32.91, , na, , 30.92, , 32.31, , 32.46, , 32.05,
2004-05 , na, , 36.46, , 32.45, , 38.11, , na, , na, , 33.18, , 32.49, , 34.43, , 33.27,
2004-04 , 32.42, , 34.47, , 29.46, , 34.28, , na, , na, , 31.23, , 29.89, , 31.56, , 30.48,
2004-03 , na, , 33.17, , 28.26, , 33.79, , na, , 33.72, , 28.15, , 29.77, , 30.06, , 29.99,
2004-02 , 30.06, , na, , 26.24, , 32.03, , na, , na, , 26.70, , 28.05, , 28.70, , 28.33,
2004-01 , na, , 33.14, , 26.86, , 31.19, , na, , na, , 25.94, , 28.29, , 27.91, , 28.47,
2003-12 , 29.58, , 30.02, , 25.56, , 30.60, , 27.70, , na, , 25.71, , 27.32, , 27.05, , 26.56,
2003-11 , 28.94, , na, , 24.92, , 29.78, , 27.70, , 29.32, , 23.75, , 26.88, , 26.09, , 25.99,
2003-10 , 29.47, , 28.91, , 23.77, , 30.02, , na, , na, , 23.77, , 26.29, , 25.84, , 26.21,
2003-09 , 26.13, , 27.44, , 23.33, , 27.28, , 23.82, , na, , 22.76, , 23.80, , 23.78, , 24.32,
2003-08 , 28.76, , 28.97, , 25.88, , 30.08, , 26.22, , 29.42, , 24.87, , 25.99, , 26.33, , 27.20,
2003-07 , 27.83, , na, , 25.60, , 29.14, , 25.54, , na, , 24.51, , 25.58, , 25.63, , 26.41,
2003-06 , 26.66, , 27.63, , 24.39, , 27.79, , 26.45, , na, , 22.98, , 26.37, , 24.88, , 25.67,
2003-05 , 25.63, , 25.13, , 22.56, , 27.03, , 22.52, , 25.28, , 21.61, , 22.57, , 22.78, , 23.99,
2003-04 , 24.81, , 24.85, , 21.53, , 25.27, , 20.97, , na, , 21.00, , 21.08, , 21.83, , 23.40,
2003-03 , 29.34, , 31.28, , 24.97, , 30.82, , 24.87, , 28.78, , 22.83, , 25.09, , 25.39, , 26.99,
2003-02 , 33.49, , 35.25, , 28.43, , 33.64, , 26.67, , 32.97, , 28.50, , 27.17, , 28.65, , 30.52,
2003-01 , 31.59, , 32.94, , 28.32, , 31.76, , 27.79, , 31.66, , na, , 27.83, , 29.05, , 29.21,
2002-12 , 28.75, , 27.75, , 24.25, , 29.98, , 26.75, , na, , 23.41, , 26.64, , 26.53, , 25.51,
2002-11 , 23.58, , 24.14, , 20.63, , 24.93, , 25.12, , 25.10, , 20.18, , 24.58, , 22.36, , 22.46,
2002-10 , 26.57, , 27.03, , 23.68, , 27.28, , 23.46, , 28.20, , 21.59, , 23.06, , 22.88, , 25.29,
2002-09 , 27.97, , 29.11, , 25.31, , 28.56, , 24.67, , 28.41, , 23.98, , 24.71, , 25.09, , 26.30,
2002-08 , 25.93, , 26.10, , 23.70, , 27.28, , 25.10, , na, , 22.67, , 25.33, , 24.12, , 24.89,
2002-07 , 24.63, , na, , 22.50, , 26.01, , 25.12, , 25.39, , 21.71, , 24.99, , 23.46, , 23.92,
2002-06 , 22.93, , 24.30, , 22.05, , 24.39, , 23.55, , 23.24, , 20.50, , 23.56, , 22.26, , 22.84,
2002-05 , 24.49, , 26.11, , 22.83, , na, , 23.19, , 24.52, , 19.90, , 22.78, , 22.26, , 23.72,
2002-04 , 24.36, , 25.57, , 22.42, , 25.66, , 23.17, , na, , 20.02, , 23.38, , 22.48, , 23.38,
2002-03 , 22.65, , 23.88, , 20.21, , 24.39, , 23.42, , na, , 19.31, , 23.08, , 21.49, , 21.67,
2002-02 , 18.76, , 19.28, , 15.91, , 20.73, , 21.11, , na, , 14.84, , 19.77, , 17.61, , 17.71,
2002-01 , 19.12, , 18.93, , 14.25, , 19.63, , na, , na, , 13.49, , 17.46, , 15.79, , 16.17,
2001-12 , 17.49, , 18.48, , 14.26, , 19.08, , 15.34, , na, , 12.80, , 15.21, , 14.55, , 15.65,
2001-11 , 17.49, , 18.44, , 14.32, , 19.02, , 14.93, , na, , 11.90, , 14.25, , 14.05, , 15.68,
2001-10 , 19.70, , 20.40, , 16.45, , 20.14, , 14.23, , 20.48, , 14.76, , 14.37, , 15.76, , 18.17,
2001-09 , 24.03, , 22.78, , 20.82, , 24.60, , 16.24, , 23.81, , 17.11, , 16.56, , 18.88, , 22.42,
2001-08 , 24.10, , 25.23, , 20.49, , 25.78, , 18.93, , na, , 19.67, , 20.49, , 21.26, , 22.59,
2001-07 , 23.85, , 25.86, , 19.18, , 24.98, , na, , 24.88, , 18.68, , 21.03, , 20.58, , 22.25,
2001-06 , 26.87, , 26.81, , 21.39, , 27.63, , 20.80, , na, , 17.95, , 20.73, , 21.48, , 23.66,
2001-05 , 27.45, , 26.23, , 21.20, , 28.74, , 20.54, , 28.19, , 20.10, , 20.13, , 21.77, , 23.62,
2001-04 , 24.71, , 25.04, , 19.78, , na, , 20.83, , na, , 21.12, , 20.36, , 21.74, , 21.69,
2001-03 , 21.97, , 23.63, , 18.77, , 24.70, , 20.46, , na, , 19.12, , 20.37, , 20.83, , 20.94,
2001-02 , 25.68, , 27.06, , 21.39, , 26.82, , 20.58, , na, , 20.43, , 20.94, , 22.22, , 23.67,
2001-01 , 24.28, , 26.72, , 21.31, , 26.46, , 19.79, , 25.87, , 20.97, , 19.62, , 21.55, , 23.14,
2000-12 , 24.96, , 25.66, , 21.46, , 25.45, , 21.65, , 24.80, , 20.98, , 21.63, , 22.07, , 23.34,
2000-11 , 30.27, , 32.24, , 27.07, , 31.92, , 22.10, , 30.91, , 24.08, , 22.74, , 25.43, , 28.80,
2000-10 , 29.13, , 32.36, , 27.29, , 30.71, , 23.61, , 29.05, , 26.63, , 24.27, , 26.71, , 28.54,
2000-09 , 30.16, , 32.66, , 28.00, , 30.54, , 27.81, , 30.24, , 26.04, , 26.87, , 27.80, , 29.65,
2000-08 , 30.40, , 30.47, , 26.66, , 31.06, , 26.41, , 26.41, , 26.45, , 26.66, , 27.74, , 28.09,
2000-07 , 28.48, , 27.50, , 24.89, , 28.93, , 26.84, , 26.92, , 23.29, , 26.24, , 25.77, , 27.13,
2000-06 , 29.15, , 29.98, , 26.90, , 30.04, , 24.82, , 29.09, , 26.26, , 24.54, , 26.84, , 28.25,
2000-05 , 28.36, , 26.50, , 25.27, , 28.85, , 24.31, , 25.91, , 25.12, , 24.53, , 25.71, , 26.07,
2000-04 , 22.72, , 25.40, , 21.91, , 24.34, , 27.64, , 23.62, , 22.73, , 25.39, , 23.92, , 23.03,
2000-03 , 27.89, , 29.43, , 25.37, , 26.09, , 23.64, , 27.76, , 23.92, , 23.17, , 24.30, , 26.70,
2000-02 , 27.71, , 29.56, , 26.25, , 29.07, , 23.73, , 26.22, , 24.93, , 24.46, , 25.89, , 26.98,
2000-01 , 25.99, , 27.12, , 23.31, , na, , 25.57, , 24.47, , 23.36, , 25.37, , 24.45, , 24.64,
1999-12 , 24.73, , 25.89, , 22.42, , na, , 23.57, , 24.89, , 20.21, , 23.05, , 21.86, , 23.50,
1999-11 , 24.90, , 24.95, , 21.94, , na, , 22.33, , 22.62, , 19.84, , 22.43, , 21.71, , 22.96,
1999-10 , 21.65, , 22.39, , 20.08, , 22.19, , 22.15, , 20.65, , 18.82, , 21.60, , 20.56, , 21.07,
1999-09 , 22.48, , 23.12, , 20.52, , 22.68, , 20.64, , 21.97, , 19.18, , 20.21, , 20.29, , 21.57,
1999-08 , 20.31, , 19.88, , 18.74, , 20.69, , na, , 19.79, , 17.55, , 19.00, , 18.73, , 19.32,
1999-07 , 19.10, , 18.27, , 16.99, , 18.81, , na, , 16.96, , 15.80, , 17.41, , 16.93, , 17.55,
1999-06 , 15.56, , 16.43, , 14.40, , 16.50, , na, , 16.03, , 13.82, , 16.61, , 15.11, , 15.13,
1999-05 , 14.88, , 15.87, , 14.05, , 15.46, , na, , 15.39, , 12.26, , 15.11, , 13.99, , 14.75,
1999-04 , 15.06, , 15.95, , 13.77, , 16.12, , na, , na, , 12.53, , 13.64, , 13.68, , 14.51,
1999-03 , 11.92, , 13.33, , 10.92, , 13.67, , 13.26, , na, , 10.70, , 12.97, , 12.04, , 11.69,
1999-02 , 10.16, , 10.47, , 8.52, , 10.50, , 11.59, , na, , 7.06, , 11.18, , 8.93, , 9.57,
1999-01 , 10.75, , 10.96, , 8.67, , 10.78, , 9.36, , na, , 6.33, , 8.97, , 8.26, , 9.81,
1998-12 , 9.33, , 9.58, , 7.82, , 10.29, , 7.69, , na, , 6.51, , 7.57, , 7.52, , 8.69,
1998-11 , 10.82, , 11.29, , 9.71, , 10.64, , 9.07, , 10.85, , 6.62, , 8.76, , 8.03, , 10.32,
1998-10 , 11.67, , 13.37, , 11.05, , 12.58, , 10.19, , na, , 9.43, , 10.19, , 10.22, , 11.66,
1998-09 , 12.59, , 13.20, , 11.13, , 13.92, , na, , na, , 10.52, , na, , 11.35, , 11.95,
1998-08 , 11.37, , 12.12, , 9.87, , 12.23, , 9.77, , 11.13, , 8.54, , 9.68, , 9.69, , 10.60,
1998-07 , 11.14, , 12.24, , 10.44, , 11.77, , 9.06, , na, , 8.99, , 8.95, , 9.76, , 10.83,
1998-06 , 11.82, , 11.85, , 9.96, , 11.57, , 8.25, , na, , 9.16, , 8.50, , 9.73, , 10.44,
1998-05 , 13.85, , 13.08, , 11.25, , 14.13, , 7.62, , na, , 9.78, , 7.86, , 10.58, , 11.97,
1998-04 , 12.93, , 13.48, , 11.01, , 13.86, , na, , na, , 10.32, , 7.80, , 10.58, , 11.63,
1998-03 , 12.53, , 13.10, , 9.77, , 13.56, , na, , na, , 9.70, , na, , 10.93, , 11.22,
1998-02 , 13.13, , 14.27, , 11.47, , 13.77, , na, , na, , 10.24, , na, , 11.35, , 12.10,
1998-01 , 14.52, , 15.36, , 12.08, , 15.21, , na, , na, , 11.26, , na, , 12.26, , 13.14,
1997-12 , 16.58, , 17.18, , 13.79, , 17.39, , na, , na, , 12.51, , na, , 13.31, , 14.97,
1997-11 , 18.54, , 18.24, , 16.04, , 19.11, , na, , na, , 14.39, , na, , 14.99, , 17.02,
1997-10 , 19.33, , 19.52, , 17.51, , 20.03, , na, , na, , 15.81, , na, , 16.32, , 18.15,
1997-09 , 18.15, , 18.52, , 16.02, , 19.35, , 15.33, , 18.44, , 15.25, , 16.15, , 16.51, , 16.99,
1997-08 , 17.96, , 18.42, , 16.29, , 18.98, , 16.89, , 18.17, , 15.33, , 16.47, , 16.37, , 16.96,
1997-07 , 17.72, , 17.73, , 15.99, , 19.12, , 15.14, , 17.40, , 15.02, , 15.19, , 16.02, , 16.65,
1997-06 , 17.84, , 16.87, , 15.70, , 18.22, , 15.26, , 18.09, , 14.66, , 15.11, , 15.61, , 16.36,
1997-05 , 18.25, , 17.95, , 16.84, , 18.99, , 15.64, , 19.03, , 15.30, , 15.70, , 16.28, , 17.33,
1997-04 , 17.05, , 17.87, , 15.94, , 17.97, , 15.82, , na, , 14.81, , 15.95, , 15.92, , 16.44,
1997-03 , 18.66, , 19.41, , 17.00, , 19.02, , na, , na, , 15.50, , na, , 16.49, , 17.68,
1997-02 , 21.35, , 21.12, , 18.57, , 21.53, , na, , na, , 16.68, , na, , 17.94, , 19.71,
1997-01 , 23.20, , 24.14, , 20.98, , 23.45, , 17.37, , na, , 19.29, , 17.37, , 20.20, , 21.88,
1996-12 , 23.22, , 24.56, , 21.83, , 24.39, , 19.24, , na, , 20.41, , 19.35, , 21.01, , 22.04,
1996-11 , 22.38, , 23.25, , 20.96, , 24.43, , 21.90, , 22.35, , 19.62, , 22.11, , 21.04, , 21.48,
1996-10 , 23.05, , 23.57, , 22.40, , 24.71, , na, , na, , 20.29, , na, , 21.85, , 22.59,
1996-09 , 22.26, , 22.79, , 20.96, , 22.80, , 20.60, , na, , 19.66, , 20.72, , 20.57, , 21.44,
1996-08 , 20.33, , 20.79, , 18.89, , 21.13, , 20.16, , 18.82, , 17.35, , 19.98, , 18.99, , 19.55,
1996-07 , 19.72, , 19.72, , 17.85, , 19.90, , 18.48, , na, , 16.72, , 18.31, , 17.78, , 18.62,
1996-06 , 18.60, , 19.49, , 17.05, , 19.25, , 17.96, , na, , 16.08, , 17.70, , 17.21, , 17.94,
1996-05 , 19.72, , 20.09, , 17.93, , 20.13, , na, , 19.02, , 16.35, , na, , 17.72, , 18.83,
1996-04 , 20.96, , 22.65, , 19.63, , 21.49, , na, , na, , 17.99, , na, , 18.75, , 20.20,
1996-03 , 19.78, , 20.02, , 18.39, , 20.44, , 18.29, , 19.42, , 17.78, , 18.62, , 18.77, , 18.77,
1996-02 , 17.91, , 18.09, , 16.59, , 18.53, , na, , na, , 15.22, , na, , 16.89, , 16.83,
1996-01 , 16.95, , 17.73, , 16.52, , 18.63, , na, , na, , 14.12, , na, , 15.86, , 16.42,
1995-12 , 17.24, , 17.38, , 16.41, , 18.37, , na, , na, , 14.70, , na, , 15.74, , 16.37,
1995-11 , 16.39, , 16.65, , 15.32, , 17.28, , na, , na, , 13.38, , na, , 15.05, , 15.50,
1995-10 , 15.68, , 16.11, , 15.02, , 16.54, , na, , 16.41, , 12.40, , na, , 14.26, , 15.15,
1995-09 , 16.44, , 16.79, , 15.24, , 16.91, , na, , 16.47, , 13.30, , na, , 14.79, , 15.67,
1995-08 , 15.37, , 16.44, , 14.54, , 16.48, , na, , 16.23, , 13.73, , na, , 14.89, , 15.20,
1995-07 , 15.63, , 15.85, , 14.77, , 15.97, , na, , na, , 13.33, , na, , 14.45, , 15.15,
1995-06 , 16.92, , 16.33, , 16.07, , 17.66, , na, , na, , 13.80, , na, , 15.48, , 16.37,
1995-05 , 18.25, , 18.27, , 17.20, , 18.66, , na, , 18.42, , 15.76, , na, , 16.98, , 17.69,
1995-04 , 17.38, , 18.12, , 17.16, , 18.96, , na, , na, , 15.97, , na, , 17.20, , 17.37,
1995-03 , 16.68, , 16.77, , 15.74, , 17.19, , na, , na, , 14.23, , na, , 15.47, , 16.28,
1995-02 , 16.70, , na, , 15.79, , 17.43, , na, , 16.84, , 13.02, , 15.96, , 15.14, , 16.17,
1995-01 , 15.63, , 15.87, , 14.98, , 17.13, , na, , na, , 12.61, , na, , 14.79, , 15.37,
1994-12 , 15.61, , 15.33, , 14.74, , 16.18, , na, , 15.75, , 12.38, , na, , 13.94, , 14.99,
1994-11 , 16.61, , 15.60, , 15.19, , 17.13, , na, , 17.01, , 11.93, , na, , 14.30, , 15.56,
1994-10 , 15.97, , 15.40, , 14.42, , 17.01, , 14.22, , 16.42, , 12.90, , 14.20, , 14.48, , 15.00,
1994-09 , 15.55, , 15.63, , 13.51, , 16.35, , 14.80, , 15.41, , 12.09, , 14.82, , 13.91, , 14.66,
1994-08 , 15.86, , 16.22, , 14.57, , 16.69, , 14.14, , 16.70, , 12.31, , 13.98, , 14.29, , 15.51,
1994-07 , 16.94, , 17.46, , 15.70, , 18.02, , na, , 17.29, , 14.28, , na, , 15.76, , 16.40,
1994-06 , 16.33, , 17.15, , 15.02, , 17.32, , 14.83, , 16.53, , 13.21, , 15.06, , 15.24, , 15.66,
1994-05 , 15.81, , 15.95, , 13.67, , 16.77, , 15.59, , 15.77, , 12.80, , 15.72, , 14.73, , 14.63,
1994-04 , 14.77, , 14.75, , 12.88, , 15.65, , 14.91, , na, , 11.81, , 14.44, , 13.75, , 13.35,
1994-03 , 13.74, , 13.00, , 11.68, , 14.27, , 14.19, , 13.68, , 11.09, , 13.70, , 12.58, , 12.23,
1994-02 , 13.70, , 12.57, , 11.44, , 14.00, , 12.81, , na, , 10.35, , 12.19, , 11.96, , 12.14,
1994-01 , 13.12, , 12.55, , 11.26, , 15.02, , 10.29, , na, , 10.93, , 10.65, , 12.35, , 11.79,
1993-12 , 12.35, , na, , 11.19, , 14.21, , na, , 14.19, , 9.34, , 11.45, , 11.44, , 11.84,
1993-11 , 14.83, , 13.96, , 12.27, , 15.80, , 11.15, , 15.29, , 9.97, , 12.13, , 12.45, , 13.31,
1993-10 , 15.67, , 15.29, , 13.74, , 17.02, , 11.16, , 16.31, , 11.87, , 12.50, , 13.75, , 14.45,
1993-09 , 15.30, , 15.58, , 13.50, , 16.73, , na, , 16.06, , 12.72, , 12.49, , 14.13, , 14.03,
1993-08 , 15.98, , 15.13, , 13.20, , 17.42, , na, , 16.73, , 12.56, , 14.13, , 14.18, , 14.18,
1993-07 , 16.06, , 15.13, , 13.09, , 17.46, , na, , 16.07, , 11.96, , 13.49, , 14.19, , 14.27,
1993-06 , 17.20, , 16.79, , 14.04, , 18.00, , na, , 17.03, , 12.44, , 14.20, , 14.95, , 15.24,
1993-05 , 17.79, , 17.24, , 15.15, , 18.90, , 13.62, , 18.29, , 13.89, , 14.09, , 16.16, , 16.22,
1993-04 , 18.07, , 17.35, , 15.04, , 19.21, , 15.23, , 18.36, , 14.52, , 15.46, , 16.41, , 16.16,
1993-03 , na, , 17.44, , 15.16, , 19.33, , 16.34, , 18.51, , 14.22, , 16.55, , 16.91, , 16.24,
1993-02 , 17.62, , 17.37, , 14.64, , 19.06, , 16.13, , 18.13, , 13.68, , 16.36, , 16.49, , 15.60,
1993-01 , 17.15, , 14.95, , 14.14, , 17.95, , 15.55, , 18.29, , 12.99, , 15.63, , 15.63, , 14.70,
1992-12 , 17.58, , 16.73, , 14.79, , 18.42, , 15.62, , na, , 13.38, , 15.69, , 15.60, , 15.64,
1992-11 , 18.45, , na, , 15.78, , 20.00, , 14.62, , 19.82, , 13.82, , 15.12, , 15.97, , 17.05,
1992-10 , 19.17, , 18.86, , 16.90, , 20.76, , na, , na, , 15.40, , 15.89, , 17.42, , 17.96,
1992-09 , 19.65, , 18.81, , 16.88, , 20.84, , 16.69, , 20.20, , 16.21, , 17.11, , 18.01, , 18.06,
1992-08 , 19.03, , 18.49, , 16.36, , 20.33, , na, , 20.00, , 15.38, , 17.86, , 17.69, , 17.62,
1992-07 , 19.91, , 19.36, , 16.88, , 20.83, , 17.60, , na, , 15.10, , 18.03, , 18.09, , 17.93,
1992-06 , 20.57, , 20.22, , 17.09, , 21.42, , na, , 20.14, , 15.33, , 17.80, , 18.44, , 18.31,
1992-05 , 18.89, , na, , 16.05, , 20.47, , 17.61, , na, , 15.03, , 18.04, , 17.83, , 17.24,
1992-04 , 17.87, , na, , 14.11, , 19.59, , na, , na, , 14.38, , 17.11, , 17.25, , 15.80,
1992-03 , 16.73, , na, , 12.68, , 18.10, , 14.87, , na, , 12.45, , 15.20, , 15.28, , 14.57,
1992-02 , 17.02, , na, , 12.40, , 18.28, , 14.61, , na, , 12.53, , 14.93, , 15.04, , 14.29,
1992-01 , 16.14, , 15.94, , 12.45, , 18.58, , na, , na, , 12.32, , 13.39, , 14.50, , 14.12,
1991-12 , 16.92, , 16.90, , 13.47, , 18.99, , 12.72, , na, , 12.62, , 14.08, , 15.03, , 15.22,
1991-11 , 19.56, , 19.70, , 16.30, , 21.63, , 13.33, , 21.67, , 14.77, , 14.17, , 17.03, , 18.09,
1991-10 , 20.67, , na, , 16.91, , 22.55, , 14.61, , na, , 16.44, , 15.32, , 18.12, , 18.12,
1991-09 , 19.88, , na, , 15.40, , 21.10, , 15.85, , 20.24, , 15.53, , 16.46, , 17.57, , 17.35,
1991-08 , 18.35, , na, , 15.34, , 20.20, , 16.35, , na, , 14.64, , 16.62, , 17.23, , 16.65,
1991-07 , 18.10, , 17.91, , 15.24, , 19.44, , na, , 19.45, , 14.85, , 15.52, , 16.86, , 16.58,
1991-06 , 16.55, , 17.26, , 14.68, , 18.38, , 14.54, , na, , 13.62, , 15.22, , 16.04, , 15.50,
1991-05 , 17.25, , na, , 15.24, , 19.35, , 15.15, , na, , 14.68, , 15.27, , 16.71, , 16.09,
1991-04 , 17.66, , na, , 15.34, , 19.12, , 15.14, , na, , 15.38, , 15.43, , 16.88, , 16.23,
1991-03 , 16.85, , na, , 13.59, , 19.44, , na, , 24.50, , 14.90, , 14.83, , 16.48, , 15.21,
1991-02 , na, , na, , 13.62, , 20.48, , 14.06, , na, , 14.50, , 14.30, , 16.73, , 15.68,
1991-01 , 21.69, , na, , 19.39, , 24.68, , 12.69, , na, , 17.04, , 14.39, , 19.45, , 20.52,
1990-12 , 25.32, , na, , 22.58, , 29.38, , 14.41, , na, , 20.41, , 15.72, , 21.87, , 24.75,
1990-11 , 28.01, , na, , 27.18, , 33.56, , 21.20, , na, , 22.96, , 22.75, , 26.77, , 28.42,
1990-10 , na, , na, , 29.15, , 37.31, , 28.73, , 32.53, , 26.39, , 29.58, , 30.39, , 31.15,
1990-09 , na, , na, , 27.04, , 32.74, , na, , 33.05, , 27.71, , 27.52, , 29.23, , 28.90,
1990-08 , na, , 23.68, , 21.16, , 25.65, , 31.09, , 21.18, , 24.33, , 28.95, , 25.44, , 21.88,
1990-07 , 16.97, , 14.54, , 12.84, , 17.12, , na, , 15.10, , 16.66, , 20.37, , 18.17, , 14.44,
1990-06 , 13.98, , 13.12, , 10.74, , 15.58, , na, , na, , 13.11, , 14.66, , 14.59, , 12.88,
1990-05 , 14.92, , na, , 12.11, , 16.50, , 12.97, , 15.69, , 14.60, , 11.97, , 14.67, , 14.26,
1990-04 , 15.19, , 15.28, , 13.30, , 16.79, , 11.44, , 16.13, , 15.57, , 12.50, , 15.09, , 14.73,
1990-03 , 17.15, , na, , 16.24, , 18.41, , na, , na, , 15.95, , 14.53, , 16.85, , 17.00,
1990-02 , na, , na, , 16.68, , 20.41, , na, , na, , 16.01, , 16.62, , 18.11, , 17.84,
1990-01 , 20.39, , 20.21, , 18.04, , 21.22, , na, , 21.00, , 16.73, , 17.86, , 18.67, , 18.99,
1989-12 , 18.91, , na, , 17.74, , 19.93, , na, , 19.57, , 19.32, , 18.42, , 19.24, , 18.15,
1989-11 , 17.81, , 18.02, , 16.44, , 19.11, , 18.09, , 18.37, , 15.56, , 17.56, , 17.52, , 17.14,
1989-10 , 18.16, , na, , 16.12, , 18.99, , na, , 17.78, , 15.45, , 17.12, , 17.20, , 16.98,
1989-09 , 17.06, , na, , 15.37, , 18.00, , na, , 17.22, , 16.02, , 16.29, , 16.68, , 16.28,
1989-08 , 16.10, , 16.31, , 15.22, , 17.25, , na, , 17.11, , 15.82, , 15.77, , 16.36, , 15.86,
1989-07 , na, , na, , 16.41, , 17.67, , na, , 17.66, , 14.34, , 15.61, , 16.02, , 16.90,
1989-06 , 17.62, , na, , 16.62, , 17.68, , 15.54, , na, , 15.42, , 16.06, , 16.49, , 17.10,
1989-05 , 17.61, , na, , 16.95, , 18.60, , na, , na, , 16.78, , 15.88, , 17.28, , 17.72,
1989-04 , 19.42, , 19.95, , 17.44, , 19.81, , na, , na, , 17.77, , 16.21, , 18.35, , 18.15,
1989-03 , 17.95, , na, , 14.98, , 18.37, , na, , na, , 16.62, , 17.22, , 17.37, , 16.19,
1989-02 , na, , na, , 14.25, , 17.15, , na, , 16.33, , 14.00, , 16.54, , 15.98, , 15.13,
1989-01 , 16.30, , na, , 13.98, , 16.11, , na, , na, , 13.10, , 14.80, , 14.77, , 14.58,
1988-12 , na, , 14.16, , 12.31, , 15.56, , na, , 13.59, , 13.46, , 13.40, , 13.85, , 12.59,
1988-11 , na, , na, , 10.16, , 13.74, , na, , na, , 12.45, , 12.96, , 12.80, , 11.05,
1988-10 , na, , na, , 10.00, , 13.66, , na, , 12.69, , 12.93, , 11.09, , 12.32, , 11.10,
1988-09 , 12.00, , na, , 11.69, , 13.71, , 9.44, , na, , 12.38, , 10.05, , 12.15, , 12.35,
1988-08 , na, , na, , 12.37, , 14.93, , 10.15, , 14.86, , 12.65, , 11.53, , 12.72, , 12.97,
1988-07 , 14.04, , 14.40, , 12.17, , 15.14, , 11.27, , 14.43, , 13.18, , 12.04, , 13.40, , 13.10,
1988-06 , 14.08, , na, , 12.82, , 15.60, , 12.75, , 15.32, , 13.80, , 13.06, , 14.12, , 13.78,
1988-05 , 15.07, , na, , 13.68, , 16.06, , na, , 16.10, , 13.54, , 13.16, , 14.44, , 14.55,
1988-04 , 15.41, , na, , 13.65, , 16.10, , 12.77, , 15.20, , 13.44, , 13.22, , 14.23, , 14.35,
1988-03 , 13.84, , na, , 11.81, , 15.72, , 12.90, , 14.68, , 12.67, , 13.02, , 13.80, , 12.98,
1988-02 , 14.56, , na, , 12.91, , 15.80, , 12.78, , na, , 12.31, , 13.05, , 13.73, , 13.86,
1988-01 , na, , na, , 12.79, , 17.04, , 11.41, , 16.23, , 12.37, , 11.85, , 13.26, , 13.98,
1987-12 , 16.53, , na, , 12.72, , 17.61, , 12.35, , na, , 13.23, , 13.19, , 14.50, , 15.03,
1987-11 , 16.84, , na, , 15.51, , 18.49, , 12.99, , 17.90, , 14.47, , 15.54, , 16.27, , 16.56,
1987-10 , 17.13, , na, , 16.64, , 18.69, , 12.74, , 18.40, , 15.69, , 14.20, , 16.01, , 17.28,
1987-09 , 17.58, , na, , 16.27, , 18.58, , na, , 18.35, , 15.50, , 16.94, , 17.05, , 17.14,
1987-08 , 18.32, , na, , 17.54, , 19.58, , na, , 19.55, , 15.70, , 17.00, , 17.35, , 18.27,
1987-07 , 18.80, , na, , 18.75, , 18.93, , 16.43, , 19.33, , 16.49, , 16.90, , 17.35, , 18.60,
1987-06 , 17.61, , na, , 17.78, , 18.75, , na, , 18.61, , 16.24, , 16.88, , 17.24, , 17.83,
1987-05 , 17.23, , na, , 17.68, , 18.68, , 16.77, , 18.36, , 15.65, , 16.89, , 16.92, , 17.48,
1987-04 , 17.03, , na, , 16.40, , 18.44, , na, , 17.79, , 15.29, , 16.70, , 16.78, , 16.80,
1987-03 , 16.05, , na, , 16.02, , 17.72, , na, , 17.36, , 14.76, , 16.48, , 16.34, , 16.29,
1987-02 , 16.91, , na, , 15.34, , 18.07, , na, , na, , 13.93, , na, , 15.84, , 16.05,
1987-01 , na, , na, , 15.55, , 17.38, , 14.51, , 17.42, , 13.75, , 14.55, , 14.92, , 15.78,
1986-12 , 13.82, , na, , 12.73, , 15.04, , 15.15, , 15.26, , 12.68, , 14.88, , 14.13, , 13.48,
1986-11 , 13.03, , na, , 11.78, , 13.88, , 13.65, , 14.05, , 10.73, , 13.48, , 12.64, , 12.62,
1986-10 , 12.59, , na, , 11.40, , 13.86, , 11.34, , 13.65, , 10.26, , 11.64, , 11.81, , 12.19,
1986-09 , 11.16, , na, , 11.58, , 13.43, , 10.45, , 13.47, , 10.16, , 10.58, , 11.31, , 12.31,
1986-08 , 10.66, , na, , 10.55, , 11.44, , 9.35, , 10.45, , 9.96, , 9.85, , 10.36, , 10.88,
1986-07 , na, , na, , 8.61, , 10.99, , 10.15, , 10.38, , 7.71, , 10.36, , 9.85, , 9.62,
1986-06 , 11.75, , na, , 9.93, , 12.31, , 8.54, , 12.91, , 9.54, , 9.15, , 10.33, , 11.30,
1986-05 , 12.20, , na, , 10.72, , 13.58, , 7.91, , 13.25, , 10.82, , 8.34, , 10.46, , 11.75,
1986-04 , na, , na, , 10.39, , 14.54, , 12.12, , 12.14, , 10.48, , 11.54, , 11.82, , 11.34,
1986-03 , na, , na, , 11.60, , 15.78, , 11.95, , 15.62, , 10.45, , 11.96, , 12.53, , 12.75,
1986-02 , na, , na, , 14.26, , 19.83, , 11.64, , 17.82, , 12.56, , 11.83, , 13.99, , 16.21,
1986-01 , 21.77, , na, , 19.96, , 26.17, , 12.75, , 25.15, , 21.40, , 12.75, , 21.02, , 21.83,
1985-12 , na, , na, , 23.57, , 29.19, , 18.48, , 28.08, , 22.78, , 19.33, , 23.29, , 25.21,
1985-11 , na, , na, , 24.57, , 28.67, , na, , 28.69, , 23.08, , 23.55, , 25.68, , 25.92,
1985-10 , na, , na, , 24.76, , 28.30, , na, , 28.22, , 22.84, , 24.79, , 25.60, , 25.87,
1985-09 , 26.36, , na, , 24.72, , 27.97, , na, , 27.60, , 22.49, , na, , 25.29, , 25.74,
1985-08 , na, , na, , 24.81, , 27.83, , na, , 26.98, , 22.59, , na, , 25.36, , 25.61,
1985-07 , 25.40, , na, , 24.49, , 27.86, , na, , 26.51, , 23.13, , na, , 25.71, , 25.23,
1985-06 , na, , na, , 24.99, , 27.09, , na, , 26.65, , 24.32, , na, , 25.72, , 25.71,
1985-05 , na, , na, , 26.34, , 27.81, , na, , 27.37, , 24.51, , 23.83, , 26.29, , 26.43,
1985-04 , 27.01, , na, , 26.42, , 27.95, , na, , 27.99, , 24.57, , na, , 26.81, , 26.70,
1985-03 , na, , na, , 26.45, , 28.20, , na, , na, , 24.91, , na, , 26.47, , 26.53,
1985-02 , na, , na, , 26.13, , 27.41, , na, , na, , 24.36, , 27.43, , 26.48, , 26.06,
1985-01 , 25.84, , na, , 26.43, , 27.22, , na, , 27.70, , 24.32, , na, , 26.15, , 26.43,
1984-12 , na, , na, , 26.43, , 27.86, , na, , 27.85, , 24.32, , 26.10, , 26.60, , 26.81,
1984-11 , na, , na, , 26.67, , 28.32, , na, , 27.61, , 24.43, , 26.88, , 27.05, , 27.15,
1984-10 , na, , na, , 26.44, , 28.31, , na, , 28.50, , 24.60, , 26.86, , 27.14, , 27.30,
1984-09 , na, , na, , 26.34, , 29.24, , 27.99, , 27.99, , 24.74, , 27.38, , 27.48, , 27.27,
1984-08 , na, , na, , 26.71, , 29.02, , na, , 28.14, , 23.91, , 28.23, , 27.45, , 27.48,
1984-07 , na, , na, , 26.60, , na, , na, , 28.96, , 24.03, , 26.72, , 27.04, , 27.61,
1984-06 , na, , na, , 26.58, , 29.84, , 27.93, , 29.67, , 24.23, , 27.90, , 28.12, , 27.69,
1984-05 , 28.42, , na, , 26.36, , 29.96, , 27.63, , 29.93, , 24.07, , 27.83, , 28.22, , 27.73,
1984-04 , na, , na, , 26.07, , 30.18, , 27.64, , 29.86, , 23.93, , 27.67, , 28.24, , 27.66,
1984-03 , 28.38, , na, , 26.30, , 29.81, , 27.70, , 30.07, , 23.86, , 27.72, , 28.36, , 27.44,
1984-02 , 27.52, , na, , 26.04, , 30.35, , 26.65, , 29.75, , 23.98, , 27.03, , 28.15, , 27.73,
1984-01 , na, , na, , 26.22, , 29.71, , 27.71, , 29.36, , 24.31, , 27.49, , 28.26, , 27.31,
1983-12 , na, , na, , 26.20, , 29.61, , 26.73, , 29.05, , 24.17, , 26.72, , 27.71, , 27.46,
1983-11 , na, , na, , 25.75, , 30.03, , 27.32, , 29.42, , 23.16, , 27.40, , 28.32, , 27.27,
1983-10 , na, , na, , 25.81, , 30.23, , 27.70, , 29.73, , 23.58, , 27.73, , 28.40, , 27.19,
1983-09 , na, , na, , 25.09, , 29.59, , 27.53, , 30.32, , 21.83, , 27.57, , 28.26, , 27.78,
1983-08 , na, , na, , 25.18, , 30.04, , 27.28, , 30.01, , 21.56, , 27.53, , 28.39, , 27.45,
1983-07 , na, , na, , 24.87, , 29.88, , 27.88, , 30.00, , 19.89, , 28.36, , 28.63, , 27.01,
1983-06 , na, , na, , 24.18, , 29.58, , 27.89, , 29.17, , 20.80, , 28.11, , 28.78, , 26.64,
1983-05 , 27.81, , na, , 24.60, , 29.72, , na, , 29.75, , 19.88, , 27.18, , 28.44, , 26.59,
1983-04 , na, , na, , 24.18, , 29.63, , 27.62, , 29.97, , 20.05, , 27.97, , 28.16, , 26.64,
1983-03 , na, , na, , 24.50, , 29.57, , 30.03, , 29.16, , 20.04, , 28.58, , 27.81, , 26.45,
1983-02 , na, , na, , 25.65, , 31.07, , na, , 31.54, , 21.82, , na, , 29.13, , 27.57,
1983-01 , na, , na, , 26.85, , na, , na, , 32.65, , 21.58, , 29.75, , 31.30, , 28.83,
1982-12 , na, , na, , 27.63, , 33.18, , 33.98, , 33.01, , 26.21, , 33.06, , 32.45, , 30.12,
1982-11 , na, , na, , 27.57, , 35.03, , 33.86, , 33.95, , 23.75, , 33.36, , 33.07, , 30.19,
1982-10 , na, , na, , 27.66, , 35.14, , 34.18, , 33.63, , 23.20, , 33.66, , 33.40, , 30.70,
1982-09 , na, , na, , 28.07, , 34.66, , 33.38, , 33.65, , 23.30, , 33.29, , 32.79, , 30.67,
1982-08 , 31.44, , na, , 27.51, , 34.96, , 33.00, , 33.51, , 20.56, , 32.69, , 32.90, , 30.10,
1982-07 , na, , na, , 28.47, , 35.10, , 33.66, , 33.74, , 23.14, , 33.58, , 33.57, , 30.63,
1982-06 , na, , na, , 27.94, , 34.94, , 33.60, , 33.73, , 21.70, , 33.64, , 33.70, , 30.62,
1982-05 , na, , na, , 28.21, , 35.11, , 33.33, , 32.18, , 22.60, , 32.95, , 33.14, , 30.39,
1982-04 , na, , na, , 26.96, , 33.81, , 33.85, , na, , 21.65, , 33.91, , 33.15, , 29.47,
1982-03 , na, , na, , 27.87, , 35.41, , 34.13, , 31.11, , 21.04, , 34.37, , 33.96, , 29.70,
1982-02 , na, , na, , 30.93, , 36.06, , 33.69, , 34.01, , 28.94, , 33.85, , 34.55, , 32.40,
1982-01 , na, , na, , 29.66, , 36.01, , 33.96, , 36.20, , 28.23, , 33.92, , 34.58, , 33.19,
1981-12 , na, , na, , 31.25, , 36.42, , 33.88, , 36.44, , 28.02, , 33.84, , 34.92, , 33.75,
1981-11 , na, , na, , 31.48, , 36.44, , 33.76, , 36.03, , 28.52, , 34.12, , 34.89, , 33.72,
1981-10 , na, , na, , 31.01, , 35.49, , 33.46, , 34.90, , 27.69, , 33.80, , 34.02, , 33.48,
1981-09 , na, , na, , 30.36, , 35.97, , 32.13, , 35.00, , 28.47, , 32.50, , 33.88, , 33.60,
1981-08 , na, , na, , 30.93, , 37.99, , 31.97, , 34.67, , 26.67, , 32.20, , 33.59, , 33.88,
1981-07 , na, , na, , 32.38, , 39.09, , 32.13, , 34.79, , 28.52, , 32.17, , 33.48, , 34.84,
1981-06 , na, , na, , 30.28, , 38.71, , 32.31, , 34.72, , 28.81, , 33.29, , 35.36, , 33.89,
1981-05 , na, , na, , 34.41, , 39.27, , 32.22, , 36.42, , 27.75, , 32.68, , 35.55, , 36.20,
1981-04 , na, , na, , 33.86, , 39.60, , 32.40, , 38.96, , 29.25, , 32.69, , 35.94, , 36.04,
1981-03 , na, , na, , 35.68, , 39.71, , 32.74, , 39.21, , 31.10, , 33.60, , 36.61, , 37.12,
1981-02 , na, , na, , 36.93, , 39.95, , 32.85, , 39.22, , 30.37, , 33.49, , 36.51, , 37.94,
1981-01 , na, , na, , 35.21, , 39.88, , 32.80, , 38.46, , 32.85, , 33.05, , 36.41, , 37.28,
1980-12 , na, , na, , 31.99, , 36.92, , 31.99, , na, , 27.17, , 32.09, , 34.23, , 33.67,
1980-11 , na, , na, , 31.62, , 37.13, , 31.46, , 35.51, , 26.67, , 31.97, , 34.27, , 33.90,
1980-10 , na, , na, , 31.34, , 36.69, , 30.05, , 35.76, , 21.92, , 30.74, , 33.07, , 33.35,
1980-09 , 33.86, , na, , 31.50, , 36.47, , 29.86, , 35.31, , 25.02, , 30.63, , 33.20, , 33.70,
1980-08 , na, , na, , 31.86, , 36.81, , 29.54, , 34.82, , 24.49, , 30.57, , 33.29, , 33.80,
1980-07 , na, , na, , 31.72, , 37.69, , 28.39, , 36.27, , 24.62, , 28.81, , 32.94, , 34.15,
1980-06 , 33.71, , na, , 30.76, , 36.89, , 28.60, , 36.29, , 25.31, , 29.55, , 32.77, , 33.20,
1980-05 , na, , na, , 30.58, , 36.90, , 27.75, , 34.21, , 23.43, , 28.50, , 32.33, , 32.64,
1980-04 , 30.78, , na, , 30.27, , 36.03, , 27.65, , 34.70, , 23.74, , 28.19, , 31.66, , 32.24,
1980-03 , na, , na, , 30.45, , 35.25, , 26.14, , 33.74, , 23.02, , 26.71, , 30.97, , 32.19,
1980-02 , 33.67, , na, , 31.87, , 34.20, , 25.57, , 31.94, , 25.33, , 26.94, , 30.78, , 32.12,
1980-01 , na, , na, , 28.91, , 31.67, , 24.77, , 30.39, , 25.46, , 26.42, , 29.07, , 29.93,
1979-12 , na, , na, , 24.08, , 29.78, , 23.12, , 25.90, , 20.79, , 25.95, , 27.53, , 25.87,
1979-11 , 27.29, , na, , 24.25, , 27.52, , 23.63, , 25.86, , 18.83, , 25.78, , 26.13, , 26.70,
1979-10 , 22.93, , na, , 24.78, , 25.40, , 19.77, , 25.60, , 18.97, , 21.82, , 23.06, , 25.03,
1979-09 , na, , na, , 22.61, , 25.70, , 18.56, , 25.70, , 18.09, , 21.70, , 23.05, , 24.43,
1979-08 , 23.57, , na, , 22.34, , 25.36, , 18.71, , 25.77, , 18.51, , 20.25, , 21.94, , 24.10,
1979-07 , na, , na, , 22.13, , 24.45, , 18.95, , 24.87, , 17.39, , 20.01, , 21.45, , 22.76,
1979-06 , 20.58, , na, , 17.44, , 22.06, , 18.56, , 21.47, , 16.03, , 18.82, , 19.66, , 20.14,
1979-05 , na, , na, , 17.95, , 19.79, , 15.01, , 18.16, , 15.54, , 15.93, , 17.55, , 18.36,
1979-04 , na, , na, , 16.78, , 18.31, , 15.15, , 17.87, , 14.76, , 15.78, , 16.60, , 17.18,
1979-03 , na, , na, , 14.37, , 15.17, , 13.87, , 15.33, , 13.16, , 14.55, , 14.89, , 15.14,
1979-02 , 14.22, , na, , 14.15, , 15.09, , 13.51, , 15.37, , 13.36, , 13.61, , 14.28, , 14.91,
1979-01 , na, , na, , 13.90, , 14.97, , 13.38, , 15.46, , 13.43, , 13.49, , 14.08, , 14.79,
1978-12 , 13.73, , na, , 13.12, , 14.26, , 12.77, , 14.08, , 12.43, , 12.88, , 13.46, , 13.23,
1978-11 , 13.34, , na, , 13.18, , 14.12, , 12.65, , 13.85, , 12.40, , 12.73, , 13.31, , 13.27,
1978-10 , na, , na, , 13.14, , 14.08, , 12.60, , 14.14, , 12.32, , 12.71, , 13.25, , 13.30,
1978-09 , 13.08, , na, , 13.14, , 13.96, , 12.68, , 13.74, , 12.46, , 12.75, , 13.27, , 13.35,
1978-08 , na, , na, , 13.16, , 13.88, , 12.66, , 13.80, , 12.26, , 12.73, , 13.23, , 13.25,
1978-07 , na, , na, , 13.13, , 13.92, , 12.65, , 13.72, , 12.04, , 12.78, , 13.24, , 13.18,
1978-06 , na, , na, , 13.31, , 13.89, , 12.67, , 13.65, , 12.32, , 12.73, , 13.27, , 13.23,
1978-05 , na, , na, , 13.42, , 13.95, , 12.70, , 13.64, , 12.09, , 12.74, , 13.25, , 13.18,
1978-04 , na, , na, , 13.42, , 13.91, , 12.74, , 13.75, , 12.54, , 12.82, , 13.29, , 13.19,
1978-03 , na, , na, , 13.44, , 14.13, , 12.80, , na, , 12.86, , 12.84, , 13.39, , 13.11,
1978-02 , na, , na, , 13.42, , 14.18, , 12.80, , na, , 12.61, , 12.83, , 13.36, , 13.21,
1978-01 , 13.40, , na, , 13.43, , 14.20, , 12.70, , 13.71, , 12.58, , 12.75, , 13.36, , 13.25,
1977-12 , 13.47, , na, , 13.41, , 14.43, , 12.79, , 13.85, , 12.53, , 12.84, , 13.42, , 13.33,
1977-11 , 13.48, , na, , 13.43, , 14.50, , 12.74, , 13.90, , 12.61, , 12.84, , 13.49, , 13.01,
1977-10 , na, , na, , 13.42, , 14.48, , 12.70, , 13.90, , 12.67, , 12.83, , 13.43, , 13.00,
1977-09 , na, , na, , 13.44, , 14.52, , 12.72, , 14.21, , 12.59, , 12.82, , 13.43, , 13.02,
1977-08 , 13.43, , na, , 13.45, , 14.56, , 12.64, , 14.13, , 12.44, , 12.75, , 13.43, , 13.13,
1977-07 , 13.39, , na, , 13.44, , 14.55, , 12.40, , 14.19, , 12.48, , 12.60, , 13.31, , 13.02,
1977-06 , na, , na, , 13.42, , 14.57, , 12.21, , na, , 12.51, , 12.44, , 13.21, , 12.96,
1977-05 , na, , na, , 13.42, , 14.59, , 12.22, , 14.45, , 12.60, , 12.50, , 13.30, , 13.12,
1977-04 , 13.12, , na, , 13.38, , 14.52, , 12.22, , na, , 12.62, , 12.47, , 13.19, , 12.66,
1977-03 , na, , na, , 13.41, , 14.33, , 12.21, , 14.16, , 12.84, , 12.47, , 13.22, , 12.83,
1977-02 , 13.18, , na, , 13.43, , 14.24, , 12.06, , na, , 13.16, , 12.22, , 13.09, , 12.96,
1977-01 , na, , na, , 13.42, , 14.10, , 11.93, , na, , 12.87, , 12.05, , 12.98, , 12.46,
1976-12 , 12.26, , na, , 12.37, , 13.34, , 11.64, , na, , 11.77, , 11.71, , 12.42, , 11.99,
1976-11 , na, , na, , 12.32, , 13.25, , 11.63, , na, , 11.60, , 11.64, , 12.32, , 11.77,
1976-10 , 12.12, , na, , 12.31, , 13.26, , 11.65, , na, , 11.45, , 11.67, , 12.27, , 11.87,
1976-09 , 12.03, , na, , 12.16, , 13.07, , 11.59, , na, , 11.60, , 11.71, , 12.26, , 11.90,
1976-08 , na, , na, , 12.16, , 13.13, , 11.56, , na, , 11.29, , 11.63, , 12.22, , 11.80,
1976-07 , na, , na, , 12.17, , 13.09, , 11.59, , na, , 11.23, , 11.67, , 12.22, , 11.70,
1976-06 , 11.95, , na, , 12.13, , 12.99, , 11.65, , na, , 11.22, , 11.66, , 12.27, , 11.74,
1976-05 , na, , na, , 12.17, , 13.00, , 11.61, , na, , 11.13, , 11.63, , 12.12, , 11.48,
1976-04 , na, , na, , 12.20, , 12.99, , 11.62, , na, , 11.21, , 11.64, , 12.15, , 11.66,
1976-03 , na, , na, , 12.16, , 13.00, , 11.64, , na, , 11.31, , 11.61, , 12.16, , 11.49,
1976-02 , na, , na, , 12.21, , 12.75, , 11.64, , na, , 11.74, , 11.60, , 12.16, , 11.54,
1976-01 , na, , na, , 12.17, , 12.83, , 11.61, , na, , 11.13, , 11.63, , 12.08, , 11.30,
1975-12 , na, , na, , 12.19, , 12.66, , 11.49, , na, , 11.69, , 11.52, , 12.04, , 11.48,
1975-11 , 11.76, , na, , 12.12, , 12.58, , 11.37, , na, , 11.58, , 11.40, , 11.91, , 11.33,
1975-10 , 11.69, , na, , 11.79, , 12.33, , 11.00, , na, , 11.49, , 10.95, , 11.53, , 10.93,
1975-09 , 10.60, , na, , 11.23, , 11.51, , 10.53, , na, , 10.78, , 10.63, , 11.11, , 10.43,
1975-08 , 10.59, , na, , 11.20, , 11.49, , 10.55, , na, , 10.79, , 10.64, , 11.09, , 10.37,
1975-07 , na, , na, , 11.17, , 11.48, , 10.53, , na, , 10.81, , 10.60, , 10.97, , 10.38,
1975-06 , na, , na, , 11.20, , 11.55, , 10.48, , na, , 10.81, , 10.63, , 11.16, , 10.03,
1975-05 , na, , na, , 11.21, , 11.52, , 10.90, , na, , 10.92, , 10.77, , 11.21, , 10.48,
1975-04 , na, , na, , 11.14, , 11.53, , 10.77, , na, , 11.05, , 10.76, , 11.19, , 10.73,
1975-03 , na, , na, , 11.15, , 11.57, , 10.69, , na, , 11.13, , 10.77, , 11.22, , 10.72,
1975-02 , na, , na, , 11.25, , 11.68, , 10.73, , na, , 11.07, , 10.74, , 11.23, , 10.26,
1975-01 , na, , na, , 11.02, , 11.57, , 10.57, , na, , 10.77, , 10.75, , 11.16, , 10.35,
1974-12 , na, , na, , na, , 11.74, , 10.51, , na, , 10.90, , 10.63, , 11.11, , 10.09,
1974-11 , na, , na, , na, , 11.72, , 10.66, , na, , 10.61, , 10.77, , 11.11, , 10.50,
1974-10 , na, , na, , na, , 11.78, , 10.23, , na, , 10.46, , 10.44, , 11.01, , 10.30,
1974-09 , na, , na, , na, , 11.62, , 10.01, , na, , 10.46, , 10.23, , 10.92, , 10.53,
1974-08 , na, , na, , na, , 12.13, , 9.90, , na, , 10.73, , 10.50, , 11.28, , 10.17,
1974-07 , na, , na, , na, , 12.05, , 9.97, , na, , 10.42, , 10.60, , 11.19, , 10.10,
1974-06 , na, , na, , na, , 13.12, , 9.98, , na, , 10.37, , 10.72, , 11.62, , 10.72,
1974-05 , na, , na, , na, , 13.08, , 10.08, , na, , 11.07, , 10.86, , 11.73, , 9.71,
1974-04 , na, , na, , na, , 13.27, , 9.86, , na, , 10.86, , 10.49, , 11.72, , 9.65,
1974-03 , na, , na, , na, , 13.57, , na, , na, , 11.12, , 11.03, , 11.80, , 8.45,
1974-02 , na, , na, , na, , 13.12, , na, , na, , 10.87, , 11.51, , 11.83, , 7.95,
1974-01 , na, , na, , na, , 12.66, , na, , na, , 10.89, , 8.65, , 10.76, , 6.38,
1973-12 , na, , na, , na, , 9.59, , na, , na, , 6.11, , 4.44, , 6.80, , 5.50,
1973-11 , na, , na, , na, , 7.84, , 3.67, , na, , 5.85, , 4.03, , 5.73, , 4.61,
1973-10 , na, , na, , na, , 6.00, , 3.06, , na, , 4.18, , 3.16, , 4.22, , 4.30,
1973-09 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,
1973-08 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,
1973-07 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,
1973-06 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,
1973-05 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,
1973-04 , na, , na, , na, , na, , na, , na, , na, , na, , na, , na,