Year	constant 2011 international $
1990	14652215603.5526
1991	10549281434.4965
1992	9791092876.91926
1993	10727063754.3999
1994	11617717547.073
1995	13165468602.8796
1996	14363526172.4892
1997	12795031400.3937
1998	13924843895.4039
1999	15719741893.7792
2000	16812269635.6045
2001	18206018561.5673
2002	19032564638.4549
2003	20085075127.3045
2004	21191762504.3468
2005	22363648917.419
2006	23683122979.4805
2007	25099369479.2775
2008	26981814550.0485
2009	27885703691.7464
2010	28919393455.4941
2011	29655509256.2882
2012	30075883808.1044
2013	30377240532.4433
2014	30914917779.9633
2015	31604320501.8623
2016	32663065140.1106
2017	33916222717.6666
2018	35274368428.7772