Year	constant 2011 international $
1990	56412886585.5888
1991	56972140983.9776
1992	53645947453.6576
1993	40779815935.0999
1994	41326005879.1985
1995	47524906773.0063
1996	53961855872.1101
1997	57887190933.9389
1998	60602763836.9826
1999	61924806899.1554
2000	63816377057.7453
2001	66500492955.4101
2002	75588241858.9615
2003	77848216916.0395
2004	86374824504.2591
2005	99356023734.6695
2006	110829342573.97
2007	126356553686.773
2008	140465701260.915
2009	141671897957.529
2010	148556046568.629
2011	153713884832.921
2012	166844351352.891
2013	175110805697.366
2014	183555744152.463
2015	185287731390.655
2016	180507127746.357
2017	180241407849.409
2018	176395969567.046