Year	constant 2011 international $
1990	10765975955.3393
1991	12030461771.6396
1992	11643241811.1851
1993	12012585022.726
1994	12466652814.4066
1995	12581473479.0697
1996	13469195248.4295
1997	14119625965.2905
1998	15188717115.3797
1999	16054617319.922
2000	16044850498.0007
2001	18511945131.2382
2002	19086983210.4661
2003	20827533225.0689
2004	21152442464.4025
2005	22534704375.6329
2006	23585314406.4351
2007	24409294915.3806
2008	25574443982.5958
2009	26771089018.8461
2010	28220329132.2568
2011	29134739169.0792
2012	28891120637.587
2013	29556652103.8294
2014	31638432393.3785
2015	33524899738.7937
2016	35469343921.985
2017	37384688530.3896
2018	39216536677.8326