Year	constant 2010 US$
1990	14810400200.0616
1991	14388452994.8502
1992	12296958552.5002
1993	11189283344.3907
1994	11499180698.1078
1995	9856497557.08775
1996	10042105442.7938
1997	11431967827.9184
1998	12586657246.2827
1999	13504310481.8053
2000	14233574669.5133
2001	15276903988.9761
2002	15751499672.6196
2003	16454213855.5947
2004	17615117920.0977
2005	19054810853.3464
2006	20597621922.0705
2007	21547578990.2943
2008	22586888850.943
2009	22771793692.5364
2010	24876905001.6784
2011	26794701379.9887
2012	26534259654.177
2013	28041602956.1405
2014	28883555284.7563
2015	28455949942.1014
2016	24457753619.2225
2017	25367533844.2211
2018	26214343175.9385