Year	2010 U.S. Dollars
1960-01-01	267.073606947699
1961-01-01	267.943171624182
1962-01-01	268.790110087331
1963-01-01	269.521909302560
1964-01-01	285.070738741467
1965-01-01	276.853068125361
1966-01-01	291.112928271191
1967-01-01	281.298396465711
1968-01-01	277.859808072062
1969-01-01	284.654562763189
1970-01-01	286.232737483245
1971-01-01	277.132677437873
1972-01-01	279.927970703473
1973-01-01	272.798888221182
1974-01-01	283.949680306943
1975-01-01	281.915162134757
1976-01-01	287.934755608825
1977-01-01	290.122143716333
1978-01-01	296.201315087013
1979-01-01	296.446818119446
1980-01-01	283.052331122090
1981-01-01	299.689233432793
1982-01-01	303.877008272079
1983-01-01	288.052483000981
1984-01-01	308.733777176114
1985-01-01	320.323481119132
1986-01-01	327.560763487094
1987-01-01	325.877792965697
1988-01-01	343.248184194059
1989-01-01	349.890793812211
1990-01-01	357.206430753777
1991-01-01	370.168326666890
1992-01-01	375.064814336827
1993-01-01	379.011950668387
1994-01-01	399.420624239488
1995-01-01	403.051716748018
1996-01-01	414.700969246180
1997-01-01	426.173279600337
1998-01-01	430.067664968378
1999-01-01	440.380400980110
2000-01-01	459.116340001891
2001-01-01	472.771792537944
2002-01-01	465.545286263863
2003-01-01	476.458187731619
2004-01-01	491.697513786102
2005-01-01	502.239427924995
2006-01-01	513.127461584289
2007-01-01	525.082252599931
2008-01-01	551.644103247376
2009-01-01	570.930789331057
2010-01-01	592.183521642014
2011-01-01	605.633652559472
2012-01-01	627.182122122641
2013-01-01	645.251010461788
2014-01-01	675.735288507460
2015-01-01	690.075033001948
2016-01-01	685.118550346198
2017-01-01	728.400081143202