Year	Current U.S. Dollars
1990-01-01	26932728898.8146
1991-01-01	24881135586.3990
1992-01-01	24906939560.1098
1993-01-01	23409027475.6879
1994-01-01	21250839258.0901
1995-01-01	20374307047.1150
1996-01-01	21035357832.8019
1997-01-01	22165932062.9660
1998-01-01	22135245413.2312
1999-01-01	16870817134.7767
2000-01-01	18291990619.1370
2001-01-01	22152694161.8882
2002-01-01	24636593223.3467
2003-01-01	30833699702.7594
2004-01-01	43151647002.6096
2005-01-01	57123671733.8953
2006-01-01	81003884545.4098
2007-01-01	104849886825.5840
2008-01-01	133441612246.7980
2009-01-01	115308661142.9270
2010-01-01	148047348240.6430
2011-01-01	192626507971.5840
2012-01-01	207998568865.7890
2013-01-01	236634552078.1020
2014-01-01	221415572819.5000
2015-01-01	184388432148.7150
2016-01-01	137278320084.1710
2017-01-01	159406926359.1220