Year	Current U.S. Dollars
1995-01-01	16750000000.00000
1996-01-01	20948677839.85100
1997-01-01	24147996549.56620
1998-01-01	18284194680.38440
1999-01-01	18409364146.97940
2000-01-01	6540247190.33529
2001-01-01	12267175481.25420
2002-01-01	16116843146.48060
2003-01-01	21188704081.24280
2004-01-01	24861483280.63390
2005-01-01	26252007830.46390
2006-01-01	30607991862.48430
2007-01-01	40289556656.14550
2008-01-01	49259526052.74260
2009-01-01	42616653299.91150
2010-01-01	39460357730.52240
2011-01-01	46466728666.61030
2012-01-01	40742313861.13740
2013-01-01	45519650911.41380
2014-01-01	44210806365.68170
2015-01-01	37160332465.16450
2016-01-01	38299854688.12770
2017-01-01	41431648801.16630