Year	Current U.S. Dollars
1967-01-01	173.397665186781
1968-01-01	187.327010614089
1969-01-01	184.706449704865
1971-01-01	301.162869235602
1972-01-01	235.267570021895
1973-01-01	308.181862422079
1974-01-01	453.702704219146
1975-01-01	385.727708023452
1976-01-01	414.170194909468
1977-01-01	447.957983691328
1978-01-01	515.549740475742
1979-01-01	678.655198823645
1980-01-01	731.614188195206
1981-01-01	785.449709698703
1982-01-01	764.508899078472
1983-01-01	707.864214392310
1984-01-01	962.307280629833
1985-01-01	857.850824613394
1986-01-01	755.771701319757
1987-01-01	831.777885630600
1988-01-01	1053.295567287820
1989-01-01	1095.741050733840
1990-01-01	970.096930766498
1991-01-01	998.759452333758
1992-01-01	1147.975763814370
1993-01-01	1210.534608871550
1994-01-01	1330.822932242790
1995-01-01	1445.706998996520
1996-01-01	1529.664871912910
1997-01-01	1494.733483384480
1998-01-01	1206.157560885890
1999-01-01	1200.917702207420
2000-01-01	1054.518572025900
2001-01-01	944.816839954362
2002-01-01	784.956287365876
2003-01-01	744.765742281168
2004-01-01	818.442619047505
2005-01-01	880.874850827895
2006-01-01	948.659251128900
2007-01-01	1046.931125410290
2008-01-01	1205.791067326790
2009-01-01	1158.282672087980
2010-01-01	1290.572367715400
2011-01-01	1728.505151389410
2012-01-01	1928.956760786420
2013-01-01	2004.899978806180
2014-01-01	2036.942047190240
2015-01-01	1965.422032167710
2016-01-01	2056.489935039820
2017-01-01	2132.115058354700