Year	constant 2010 US$
1990	10905386691.4588
1991	10109295528.1728
1992	8077323826.89512
1993	7196896703.96373
1994	7038567039.33224
1995	6876679573.12278
1996	6787279342.79532
1997	7269178411.28527
1998	7763483304.80598
1999	8213763450.76971
2000	8706590431.18336
2001	8994346918.66423
2002	8895491768.94688
2003	8910662577.65009
2004	8895981176.73445
2005	8928280349.59011
2006	8914680414.9783
2007	8869197285.20494
2008	8897581422.86321
2009	8890451133.68855
2010	9167841557.56965
2011	8890374569.95024
2012	8833801623.71625
2013	8656901106.36121
2014	8485628023.77164
2015	8437415837.76061
2016	8465193162.01788
2017	8386945021.46958
2018	8299509232.32461