Year	Current U.S. Dollars
1990-01-01	7753501867.76095
1991-01-01	6357615894.03974
1992-01-01	3690328963.64086
1993-01-01	2701181331.30816
1994-01-01	2513870586.73344
1995-01-01	2693731865.97036
1996-01-01	3094915505.90930
1997-01-01	3510540809.24855
1998-01-01	3613500117.24928
1999-01-01	2800024313.95144
2000-01-01	3057453482.55826
2001-01-01	3219487747.22624
2002-01-01	3395739855.17147
2003-01-01	3991281539.82383
2004-01-01	5125363000.83472
2005-01-01	6410852595.57566
2006-01-01	7745406200.85374
2007-01-01	10172869679.73660
2008-01-01	12795044472.76630
2009-01-01	10766809099.07210
2010-01-01	11638536834.42740
2011-01-01	14434619982.21170
2012-01-01	15846474595.77300
2013-01-01	16140047012.14380
2014-01-01	16509305827.71710
2015-01-01	13993546732.47260
2016-01-01	14378016732.15870
2017-01-01	15159281211.39670