Year	constant 2010 US$
1975	214162297294.947
1976	217805923088.995
1977	224077064948.61
1978	231927242905.322
1979	241273557564.032
1980	251303594852.784
1981	263586127134.043
1982	272660847584.052
1983	271427620392.22
1984	281189221544.466
1985	295632664724.6
1986	311192486425.381
1987	326252543201.432
1988	346018917064.876
1989	359144654621.984
1990	374647631023.27
1991	377861758998.909
1992	387592568947.26
1993	398877150415.155
1994	418532991751.803
1995	442975681016.796
1996	457269115767.706
1997	478921648249.131
1998	498216679837.592
1999	524236826163.584
2000	546025155749.359
2001	565771791661.59
2002	587366689325.471
2003	605108738912.438
2004	627683428474.567
2005	651185012225.691
2006	671776432449.868
2007	699935383169.375
2008	723836463053.065
2009	739432602584.079
2010	753460759270.677
2011	775201717773.539
2012	801232917352.213
2013	821190354583.402
2014	839551386320.43
2015	863015073205.224
2016	894551582136.42
2017	920601730148.259
2018	946656452018.157