Year	constant 2010 US$
1960	70361318762.8945
1961	78656068740.7873
1962	84535305698.8927
1963	87913267950.6861
1964	97363290442.9203
1965	106691817807.946
1966	109156334869.22
1967	108454485737.639
1968	111487792855.087
1969	120033648356.384
1970	129090668421.186
1971	139049356602.625
1972	139697930695.79
1973	161003681368.861
1974	173818755083.005
1975	182563328848.403
1976	202941079207.191
1977	232327142645.827
1978	258735181743.96
1979	264409072244.329
1980	296593898667.46
1981	315515479501.408
1982	309914677514.426
1983	869707987302.97
1984	1202067743531.48
1985	1678529127425.35
1986	1622148431894.37
1987	1360982153944.28
1988	548013863868.893
1989	642102890760.454
1990	1091080794302.97
1991	807123101960.798
1992	869174657400.916
1993	1048486642349.49
1994	1309367441197.31
1995	1386863448644.25
1996	838243857159.186
1997	741383867977.711
1998	128978814879.903
1999	-49392104373.934
2000	-271298489074.978
2001	-444194988640.362
2002	298535383457.743
2003	-448388088015.641
2004	173326653683.042
2005	54924679460.7985
2006	260464948147.413
2007	1116460185642.03
2008	1092128225819.09
2009	1260043724258.68
2010	1361219648702.63
2011	1416909795362.03
2012	1493195769418.83
2013	1493881508575.06
2014	1588468691010.29
2015	1667767046826.05
2016	1750340654381.95
2017	1893736799860.97
2018	2073694233233.65