Year	Current U.S. Dollars
1990-01-01	7753501867.76095
1991-01-01	6357615894.03974
1992-01-01	3665594855.30547
1993-01-01	2655565567.92367
1994-01-01	2469184816.65628
1995-01-01	2574157898.51118
1996-01-01	3023803439.73425
1997-01-01	3638003082.85164
1998-01-01	3805176980.64451
1999-01-01	2945273401.97204
2000-01-01	3174766964.20794
2001-01-01	3251966618.42740
2002-01-01	3407398597.25828
2003-01-01	4004833946.96369
2004-01-01	5204305457.01169
2005-01-01	6472996745.18674
2006-01-01	7908694506.85239
2007-01-01	10209837773.12180
2008-01-01	12622775623.82610
2009-01-01	10649200179.58700
2010-01-01	11279109240.86850
2011-01-01	14012279454.49150
2012-01-01	15700109852.84320
2013-01-01	15835452326.56010
2014-01-01	16357554227.78500
2015-01-01	13609850438.46120
2016-01-01	13664927029.19680
2017-01-01	14346202151.82310