Year	Current U.S. Dollars
1967-01-01	274847770.882139
1968-01-01	341790647.454989
1969-01-01	337201492.072260
1970-01-01	354124095.930907
1971-01-01	428500050.192312
1972-01-01	485815839.614391
1973-01-01	561341678.735444
1974-01-01	533923918.394614
1975-01-01	819675359.719364
1976-01-01	931397905.005430
1977-01-01	1049879172.353270
1978-01-01	1233479863.810340
1979-01-01	1581719888.812420
1980-01-01	1740408246.229170
1981-01-01	1503289928.845200
1982-01-01	1307074652.555350
1983-01-01	1267613189.053860
1984-01-01	1211293686.079190
1985-01-01	1366264559.066740
1986-01-01	1827610129.368280
1987-01-01	2070498991.803330
1988-01-01	2142869529.512010
1989-01-01	2181821902.439530
1990-01-01	2666059799.871300
1991-01-01	2721462313.754110
1992-01-01	2823397107.503900
1993-01-01	2820491619.655990
1994-01-01	2058618936.222980
1995-01-01	2659084560.824000
1996-01-01	2730573833.882900
1997-01-01	2643959128.917840
1998-01-01	2869578167.063820
1999-01-01	3394863473.894960
2000-01-01	2924051198.473880
2001-01-01	3299284699.916850
2002-01-01	3649581791.198190
2003-01-01	4543662842.224960
2004-01-01	5262754105.361350
2005-01-01	6038384905.741220
2006-01-01	6642384317.469390
2007-01-01	7924811204.322940
2008-01-01	9527511175.057550
2009-01-01	9943827256.318110
2010-01-01	10259757670.959900
2011-01-01	12516311301.023700
2012-01-01	11941110863.654400
2013-01-01	12813855963.079900
2014-01-01	14004067516.357700
2015-01-01	12804437154.989600
2016-01-01	13660495503.772100
2017-01-01	14916207899.540700