Year	constant 2010 US$
1990	1407785266.77684
1991	2219636223.08458
1992	3071735924.51078
1993	3959176251.74129
1994	5492967893.00166
1995	5876133726.69983
1996	6321109628.39138
1997	5510476006.10282
1998	5607147961.99005
1999	4520572666.33499
2000	4298228109.1874
2001	4501924967.03151
2002	4553277425.27363
2003	4744881557.21393
2004	5140206759.86733
2005	5174046092.00663
2006	5177832345.47264
2007	6224388924.31177
2008	7549488364.90879
2009	9708056937.37977
2010	9722925060.36484
2011	9122906660.69652
2012	9392583894.7927
2013	10454582170.1493
2014	9728749113.03482
2015	9310148423.28358
2016	9957431153.43283
2017	9999140134.7927
2018	9531203316.74958