Year	constant 2010 US$
1993	14024985277.9991
1994	13233401034.5387
1995	13404594074.9444
1996	12718209738.4577
1997	12187823959.766
1998	12373173306.3043
1999	11982461024.9526
2000	12128283846.1293
2001	11944900192.9688
2002	11824507884.5944
2003	13996659570.419
2004	14671801521.8102
2005	16023881380.4174
2006	16720135551.7546
2007	18087400730.2699
2008	18632260255.8638
2009	20826039640.7476
2010	23404262803.5113
2011	26832779065.3403
2012	30163495232.9044
2013	32295127377.6656
2014	34394844831.1003
2015	34747512244.0658
2016	35305947497.4381
2017	37629258204.509
2018	38981940740.7907