Year	constant 2010 US$
1970	196146178066.526
1971	203702468616.5
1972	214564586132.355
1973	227925523680.691
1974	238264632847.67
1975	233566941350.989
1976	246813591018.588
1977	247786381179.631
1978	254580118639.459
1979	259508171067.975
1980	270501593268.23
1981	270158630696.118
1982	270631344671.069
1983	271292397964.806
1984	278586767019.811
1985	284054785894.874
1986	289399318183.68
1987	296913999388.201
1988	310882666784.816
1989	320847967465.554
1990	331374621024.973
1991	338671790653.624
1992	343796081885.357
1993	343795597869.248
1994	357484326500.391
1995	365137409899.795
1996	371377950303.842
1997	385545132291.643
1998	393169570327.976
1999	406713537647.581
2000	422430404501.005
2001	422884831086.28
2002	429780869544.136
2003	433873541739.315
2004	447241951999.326
2005	455885047963.729
2006	468136584610.971
2007	484071713966.185
2008	492651686797.434
2009	471219297519.175
2010	498788978070.103
2011	497160749906.996
2012	505347849335.837
2013	502468991844.405
2014	504023711625.788
2015	506533647140.05
2016	517215181321.214
2017	531983497393.307