Year	Current U.S. Dollars
1970-01-01	270010715.021636
1971-01-01	284919118.422440
1972-01-01	319221084.608461
1973-01-01	368088813.874985
1974-01-01	411790177.079853
1975-01-01	526983822.380899
1976-01-01	575042916.287994
1977-01-01	675604655.891024
1978-01-01	842223905.536371
1979-01-01	1041318682.634730
1980-01-01	1347909893.114590
1981-01-01	1361200488.454710
1982-01-01	1373834687.500000
1983-01-01	1263110890.499350
1984-01-01	1210693640.003720
1985-01-01	1209121065.153730
1986-01-01	1513987546.427790
1987-01-01	1849328280.318090
1988-01-01	2114205657.194760
1989-01-01	2232004927.322000
1990-01-01	2738345670.674050
1991-01-01	2919788844.621510
1992-01-01	3166473280.387670
1993-01-01	2811899606.962380
1994-01-01	3055459161.649440
1995-01-01	3478632052.529180
1996-01-01	3580452477.370180
1997-01-01	3714209431.653880
1998-01-01	3856666371.974800
1999-01-01	4167425957.813170
2000-01-01	4214702331.961590
2001-01-01	4371206811.027380
2002-01-01	4713531729.531730
2003-01-01	5427444520.314100
2004-01-01	6048750249.128050
2005-01-01	6190935082.701160
2006-01-01	6512831890.603440
2007-01-01	7632850396.934020
2008-01-01	8751071773.839170
2009-01-01	7946548207.835510
2010-01-01	8282743708.609270
2011-01-01	9199451487.350570
2012-01-01	8835517409.739180
2013-01-01	9701011816.250660
2014-01-01	10716565609.659000
2015-01-01	10165573361.428400
2016-01-01	10635990707.964600
2017-01-01	11650173826.549100