Year	2010 U.S. Dollars
1967-01-01	340.694160737303
1968-01-01	348.766695543999
1969-01-01	344.766763472006
1970-01-01	360.534650285483
1971-01-01	363.955118465297
1972-01-01	378.774828378587
1973-01-01	366.776111917244
1974-01-01	354.807745218026
1975-01-01	389.093423068410
1976-01-01	434.428121429205
1977-01-01	454.049860536904
1978-01-01	439.618172297282
1979-01-01	476.579133206343
1980-01-01	447.374730484921
1981-01-01	445.074200482825
1982-01-01	403.677528670709
1983-01-01	402.523438789013
1984-01-01	393.546820281719
1985-01-01	465.029650681301
1986-01-01	470.150896978918
1987-01-01	462.944298574899
1988-01-01	490.289241667364
1989-01-01	502.853259089517
1990-01-01	481.254851922966
1991-01-01	526.136352725205
1992-01-01	496.813828953952
1993-01-01	499.220412077353
1994-01-01	504.358537908145
1995-01-01	495.698185992357
1996-01-01	517.086960734825
1997-01-01	528.268274597294
1998-01-01	553.665074170031
1999-01-01	569.704206145799
2000-01-01	553.578011379499
2001-01-01	620.284783716540
2002-01-01	620.558309986618
2003-01-01	656.491888131520
2004-01-01	645.922979170616
2005-01-01	666.257623041383
2006-01-01	674.740126499254
2007-01-01	675.409208703543
2008-01-01	684.494418446572
2009-01-01	693.546068446026
2010-01-01	708.370763247419
2011-01-01	709.399379806696
2012-01-01	683.001597367231
2013-01-01	678.756280584149
2014-01-01	705.788472691968
2015-01-01	726.248067030662
2016-01-01	745.870724513615
2017-01-01	762.225969530664