Year	constant 2010 US$
1970	76995871102.4965
1971	83413210212.2151
1972	89004086078.4468
1973	101063561843.438
1974	107388025555.718
1975	97799466250.844
1976	104737980290.562
1977	111974656445.539
1978	112435490464.868
1979	115161526040.069
1980	122027306132.153
1981	126115222741.443
1982	129017254725.4
1983	123582892189.519
1984	116725724167.462
1985	118217271256.191
1986	127324441606.616
1987	138420624261.596
1988	152190417666.082
1989	157303876659.252
1990	168141771248.752
1991	175269736790.163
1992	181171516926.904
1993	179133539723.104
1994	185760291397.708
1995	189039218954.902
1996	195619587165.968
1997	206167927339.637
1998	220785086849.033
1999	233175573634.416
2000	240878054638.591
2001	244637632783.6
2002	244418942890.283
2003	240083365132.465
2004	247191720185.837
2005	250407047556.217
2006	252550932626.548
2007	258060036805.098
2008	260835776175.948
2009	251597647132.614
2010	256315241218.387
2011	241751473496.981
2012	224039433750.532
2013	219614148486.132
2014	224396687314.428
2015	230547216614.387
2016	235163041395.17
2017	242316535880.188
2018	249013894211.866