Year	Current U.S. Dollars
1981-01-01	7324903188.40580
1982-01-01	7707678019.32367
1983-01-01	8567890821.25604
1984-01-01	8096302367.14976
1985-01-01	9480840483.09179
1986-01-01	9848600869.56522
1987-01-01	10527338647.34300
1988-01-01	10908935748.79230
1989-01-01	11476584879.22710
1990-01-01	12175166763.28500
1991-01-01	13463868357.48790
1992-01-01	10492993077.60930
1993-01-01	8830712713.90781
1994-01-01	6927950564.55657
1995-01-01	7663984567.90123
1996-01-01	8547939730.62374
1997-01-01	8589211390.49612
1998-01-01	7818224905.55071
1999-01-01	7700833482.00615
2000-01-01	8242392103.68061
2001-01-01	8231326016.47494
2002-01-01	7850809498.16803
2003-01-01	8623691300.04079
2004-01-01	10131187261.44210
2005-01-01	12401139453.97380
2006-01-01	15280861834.60240
2007-01-01	19707616772.79960
2008-01-01	27066912635.22280
2009-01-01	32437389116.03800
2010-01-01	29933790334.34180
2011-01-01	31952763089.33000
2012-01-01	43310721414.08290
2013-01-01	47648211133.21830
2014-01-01	55612228233.51790
2015-01-01	64464547915.26980
2016-01-01	73000980433.94860
2017-01-01	80561496133.91720