Year	Current U.S. Dollars
1995-01-01	8166091807.87766
1996-01-01	9310450232.83628
1997-01-01	9143272996.61135
1998-01-01	8276443984.20680
1999-01-01	7657344702.33114
2000-01-01	7085160260.15747
2001-01-01	6742490889.76188
2002-01-01	5727123462.19381
2003-01-01	5440227317.57659
2004-01-01	6751684943.76174
2005-01-01	7360467308.94898
2006-01-01	9325419790.56439
2007-01-01	12800492859.88010
2008-01-01	17377891595.78480
2009-01-01	14729123175.97150
2010-01-01	18618461418.15940
2011-01-01	23820025800.15730
2012-01-01	22935727765.13910
2013-01-01	27286977771.64040
2014-01-01	29343966440.72910
2015-01-01	25783198388.79060
2016-01-01	25952346408.64680
2017-01-01	28164883990.44640