Year	constant 2011 international $
1990	10641276642.0579
1991	11922103909.996
1992	12384071134.2631
1993	13111664959.5135
1994	12182792738.0665
1995	13588491407.1087
1996	13739745609.4303
1997	15245401215.704
1998	16109302977.3754
1999	16464857966.1525
2000	16525332169.2791
2001	17220214007.9726
2002	16471545798.3333
2003	17898068752.9527
2004	18124857209.1069
2005	19294636814.2696
2006	21053836739.5143
2007	23055631284.824
2008	24585078442.1654
2009	23691461196.6122
2010	25183036209.6966
2011	28287461044.4214
2012	29729167460.3683
2013	31610207352.1469
2014	33036240019.0284
2015	32687676673.2218
2016	33161988804.2859
2017	34391002375.9305
2018	35956308586.2359