Year	Current U.S. Dollars
1980-01-01	19525307692.30770
1981-01-01	19672285714.28570
1982-01-01	19187533333.33330
1983-01-01	16484500000.00000
1984-01-01	17556333333.33330
1985-01-01	17092578947.36840
1986-01-01	20117823529.41180
1987-01-01	27786846153.84620
1988-01-01	22134941176.47060
1989-01-01	21351666666.66670
1990-01-01	18995909090.90910
1991-01-01	9832580645.16129
1992-01-01	10180773195.87630
1993-01-01	10637028985.50720
1994-01-01	9504964944.64945
1995-01-01	12631610119.04760
1996-01-01	9713545250.14053
1997-01-01	10838718413.69880
1998-01-01	14347499375.14200
1999-01-01	13310378026.88140
2000-01-01	12829609946.78100
2001-01-01	14100516958.85020
2002-01-01	16619956427.53970
2003-01-01	21326486004.50160
2004-01-01	26263476985.58820
2005-01-01	29720122482.68850
2006-01-01	33279055345.34730
2007-01-01	41175553813.85580
2008-01-01	52087870176.48820
2009-01-01	50912703490.43860
2010-01-01	49556179775.28090
2011-01-01	55614646285.10490
2012-01-01	53180946123.52170
2013-01-01	54531148208.46910
2014-01-01	56240198073.53140
2015-01-01	49190262978.91630
2016-01-01	53102319004.52490
2017-01-01	57317833477.38400