Year	constant 2010 US$
1970	174164252278.546
1971	178264107117.442
1972	189285817385.246
1973	209572147834.359
1974	234277804962.242
1975	219901666996.689
1976	242530773058.483
1977	252221359533.788
1978	259196439740.762
1979	272081723556.462
1980	286937063851.685
1981	307649349337.187
1982	319043778870.59
1983	317446430266.614
1984	345559762253.086
1985	371330318626.876
1986	366910991815.663
1987	369626486826.386
1988	390551749830.082
1989	430698444169.425
1990	479577320192.288
1991	532449556732.368
1992	530572701591.141
1993	499099264231.719
1994	538224497666.029
1995	573596007573.64
1996	607235037850.002
1997	681731781191.923
1998	734139362880.56
1999	773408958580.604
2000	880389741363.305
2001	930631730135.003
2002	970190076855.003
2003	988669890491.566
2004	1101858727493.62
2005	1175200479999.96
2006	1319574003341.48
2007	1442435867069.62
2008	1470299956412.32
2009	1260525227659.31
2010	1443735233415.18
2011	1563276513390.81
2012	1607454810208.89
2013	1635030148531.63
2014	1712269986830.41
2015	1803080937647.71
2016	1844949252794.63
2017	1930562751473.93
2018	1969110482868.33