Year	constant 2010 US$
1970	281428187209.257
1971	295782410982.872
1972	320332256460.482
1973	345317524490.264
1974	362927952670.676
1975	369461396258.372
1976	390151335392.235
1977	396003247769.578
1978	399568665289.297
1979	404762185078.637
1980	413123562481.879
1981	408996011411.195
1982	409160005885.529
1983	410750965995.698
1984	409933123033.669
1985	419293591018.223
1986	433561116642.506
1987	459367894965.636
1988	481837277689.525
1989	507984823935.574
1990	525817633577.59
1991	540996713273.171
1992	552755335295.082
1993	542238386232.548
1994	548118762213.209
1995	557511177169.842
1996	571212348169.975
1997	587550448262.546
1998	613666774115.772
1999	643650419381.312
2000	672999665332.298
2001	698074993562.895
2002	719010170943.185
2003	736142925709.518
2004	765820628925.66
2005	796454566599.229
2006	826701772331.568
2007	853681622930.283
2008	848103147120.466
2009	817441396533.314
2010	819494254440.536
2011	800204012234.935
2012	772059992539.157
2013	748030959629.015
2014	759487231175.767
2015	782618304304.557
2016	804933531968.282
2017	825226363487.281
2018	844160335514.144