Year	Current U.S. Dollars
1988-01-01	3313540067.93246
1989-01-01	2717998687.71002
1990-01-01	2838485353.96187
1991-01-01	4451497288.27108
1992-01-01	5545921947.46583
1993-01-01	7535259851.03597
1994-01-01	9599127049.93750
1995-01-01	11718795528.49390
1996-01-01	13690217333.26970
1997-01-01	15751867489.44460
1998-01-01	17247179005.52200
1999-01-01	17391056369.22650
2000-01-01	17260364842.45440
2001-01-01	17649751243.78110
2002-01-01	19152238805.97010
2003-01-01	20082918739.63520
2004-01-01	20955223880.59700
2005-01-01	21287562189.05470
2006-01-01	21796351575.45610
2007-01-01	24577114427.86070
2008-01-01	29227350570.01660
2009-01-01	35477118070.24870
2010-01-01	38419626628.19240
2011-01-01	40075674163.25040
2012-01-01	43868565281.72470
2013-01-01	46014226807.56220
2014-01-01	47833413749.12110
2015-01-01	49459296463.28360
2016-01-01	49598825982.15590
2017-01-01	51844487742.02320
