Year	current US$
1995	10437933173.429047
1996	11693110289.213305
1997	11858691518.786112
1998	11691325417.31246
1999	13845940871.099476
2000	14550965427.748137
2001	15260108919.804394
2002	16052729515.008736
2003	19238910505.117744
2004	22313141871.835495
2005	24117132961.279007
2006	26893563597.398914
2007	32408000918.21886
2008	36966842586.45615
2009	38290867892.54527
2010	45096109812.1418
2011	34631864530.822014
2012	36757936259.26812
2013	33401586415.13596
2014	36875306649.93228
2015	34092192945.882256
2016	30906410139.50402
2017	38289015020.67677
2018	44497812624.190926
2019	49898587944.60209