Year	Current U.S. Dollars
1960-01-01	29757384.8523030
1961-01-01	36576788.4642307
1962-01-01	38932661.3467731
1963-01-01	46000000
1964-01-01	55175136.4972700
1965-01-01	59638807.2238555
1966-01-01	67898642.0271594
1967-01-01	65798684.0263195
1968-01-01	70278594.4281114
1969-01-01	91838163.2367353
1970-01-01	97438051.2389752
1971-01-01	123881431.7673380
1972-01-01	131650839.0789640
1973-01-01	191786743.5158500
1974-01-01	230413097.8660780
1990-01-01	1173722142.7743200
1991-01-01	1225891753.8840400
1992-01-01	1368041129.0322600
1993-01-01	1405127245.4631700
1994-01-01	1402771262.8140100
1995-01-01	1779525847.0954800
1996-01-01	1734837299.0952000
1997-01-01	1854807356.7708300
1998-01-01	1633798111.5351900
1999-01-01	1635603371.7980200
2000-01-01	1772303683.1032600
2001-01-01	1644811374.0112200
2002-01-01	1435491523.3333700
2003-01-01	2155655439.0788800
2004-01-01	2772685228.1875000
2005-01-01	3356415171.4811400
2006-01-01	3305353909.7688900
2007-01-01	3510463721.0094500
2008-01-01	3288893344.7925200
2009-01-01	3504865749.3184800
2010-01-01	4212627096.6508200
2011-01-01	4789428447.4804100
2012-01-01	4799719086.4799000
2013-01-01	4603832461.6006100
2014-01-01	4387761718.2820900
2015-01-01	4059998134.6354300
2016-01-01	3710194466.3494200
2017-01-01	4422468970.0084700