Year	constant 2010 US$
1970	225562296019.644
1971	233763613170.658
1972	248549377299.075
1973	265580877590.409
1974	274656051138.642
1975	285546495347.611
1976	288973353158.04
1977	293238491808.765
1978	298663680227.462
1979	304045819886.865
1980	315113157913.534
1981	330320775717.635
1982	337294261585.939
1983	339794697940.015
1984	354539164076.052
1985	361586661315.313
1986	371556408822.58
1987	378662243565.049
1988	405995986375.447
1989	425950337003.564
1990	432058458300.342
1991	430534167718.893
1992	431254871209.585
1993	451439140254.272
1994	470644954628.157
1995	486583307585.467
1996	510689937187.88
1997	534395725291.593
1998	559031928918.339
1999	581815740865.29
2000	601274053124.122
2001	622161692614.142
2002	650265807382.341
2003	672766695118.828
2004	707595499477.766
2005	724376071012.393
2006	749851111113.407
2007	779703459055.203
2008	818905614830.24
2009	868629173937.999
2010	880846395424.195
2011	933135137480.341
2012	985048147122.609
2013	988324770823.506
2014	998719298276.789
2015	1001694713844.9
2016	1005205023016.32
2017	1050722559996.25