Year	constant 2010 US$
1960	15841902487.5607
1961	14122838069.833
1962	17116978249.5252
1963	18009455806.7541
1964	17569984822.321
1965	17745218853.9693
1966	18947543549.1784
1967	18760770287.0119
1968	19573617893.0754
1969	21399608887.1643
1970	21347167738.5436
1971	22629069018.1161
1972	22663269577.8423
1973	24507442348.4969
1974	25274668878.0209
1975	24015578136.7182
1976	22740590593.6825
1977	22913599551.8741
1978	21688800856.3682
1979	21782081843.0401
1980	22260179572.4589
1981	22783410452.4169
1982	22679135884.2183
1983	22999298081.962
1984	24273706213.2171
1985	24387270978.5654
1986	25537669679.3692
1987	26220966410.3754
1988	26344304942.6849
1989	26010772702.5111
1990	24302304337.333
1991	22255794773.6099
1992	19918934416.2505
1993	17236043073.0691
1994	16563837944.2344
1995	16679784616.0131
1996	16509121623.0776
1997	15581796568.4731
1998	15328724189.2554
1999	14674166078.7581
2000	13660045126.7496
2001	13373160543.81
2002	13767369914.267
2003	14535289345.0441
2004	15514731493.392
2005	16466583721.8799
2006	17342767276.8555
2007	18428333938.3056
2008	19575662524.8641
2009	20134560220.2712
2010	21565720044.4529
2011	23048292322.5045
2012	24681701508.3455
2013	26775192727.1926
2014	29310880617.1444
2015	31338076169.5034
2016	32089995418.8329
2017	33285972750.0265
2018	35202556672.1621