Year	constant 2011 international $
1990	20892903364.2344
1991	21019132609.0856
1992	22590224266.6296
1993	23908709339.7204
1994	25380268291.6147
1995	26962103991.7841
1996	27392124208.5963
1997	27756828999.0092
1998	27550939607.0242
1999	28256271051.8875
2000	28893310439.4533
2001	29278165448.0532
2002	29498594530.0914
2003	29730208129.6274
2004	30200406012.5466
2005	31343258352.9283
2006	32828928760.4914
2007	35140085434.9692
2008	34981955138.4789
2009	32641662266.1074
2010	33026572082.8623
2011	33540709115.5663
2012	34624375956.2981
2013	35823413963.3125
2014	35765299049.6237
2015	36831098431.8242
2016	37552666061.832
2017	38365434461.7659
2018	39413366385.4353