Year	Current U.S. Dollars
1964-01-01	373411640.953918
1965-01-01	360464715.814114
1966-01-01	376606849.357260
1967-01-01	350045359.959238
1968-01-01	332110092.844037
1969-01-01	411790124.716050
1970-01-01	425645330.258132
1971-01-01	410617238.781361
1972-01-01	457443474.004161
1973-01-01	564776282.489447
1974-01-01	635301200.171603
1975-01-01	666269404.948110
1976-01-01	580211800.438518
1977-01-01	668004448.320977
1978-01-01	923528327.475550
1979-01-01	1080024693.226870
1980-01-01	1070606877.500480
1981-01-01	1086624708.825810
1982-01-01	1271553707.665600
1983-01-01	963374422.514891
1984-01-01	1057685611.267160
1985-01-01	828277247.742442
1986-01-01	450594854.586130
1987-01-01	670298991.979527
1988-01-01	998083957.679769
1989-01-01	884574408.573387
1990-01-01	579840579.961825
1991-01-01	719590265.188888
1992-01-01	605307997.597117
1993-01-01	724812334.801762
1994-01-01	798475970.683484
1995-01-01	818478665.386653
1996-01-01	909237714.673618
1997-01-01	832918925.624045
1998-01-01	637317815.361985
1999-01-01	644969853.896464
2000-01-01	616098892.213565
2001-01-01	1063299285.567450
2002-01-01	1223305969.514620
2003-01-01	1358820072.193190
2004-01-01	1416436670.502260
2005-01-01	1612494367.003260
2006-01-01	1847768962.693570
2007-01-01	2264325461.487860
2008-01-01	2700598779.295190
2009-01-01	2664969380.010230
2010-01-01	2606465306.943020
2011-01-01	2901403971.423600
2012-01-01	3924034071.226290
2013-01-01	4893437931.725620
2014-01-01	4896148548.810070
2015-01-01	4162054005.534990
2016-01-01	3171081605.063650
2017-01-01	3663270392.412310