Year	constant 2010 US$
1960	19625574989.4854
1961	21334856540.5214
1962	22931928955.3988
1963	25006257752.042
1964	26744467072.2798
1965	27176307382.1796
1966	27669123028.899
1967	27932965162.7082
1968	29777283481.7547
1969	32759598540.2345
1970	33824539593.147
1971	34492349974.3956
1972	34725604101.56
1973	37049230531.2017
1974	38829681015.3335
1975	39265986977.894
1976	42269947074.4673
1977	44741320305.7113
1978	49944954560.2125
1979	49294215324.6769
1980	49887529481.879
1981	53823177561.9504
1982	55940673740.5042
1983	61106784445.1692
1984	64109971869.8052
1985	66549910792.7604
1986	70436857957.1953
1987	74612298415.8696
1988	80595367400.1933
1989	86888683692.5645
1990	91340654404.3156
1991	90421844615.0033
1992	94091999810.7348
1993	101863450870.971
1994	112077467176.529
1995	127462685892.955
1996	138603381494.281
1997	139535721987.454
1998	144935323237.415
1999	152385772198.666
2000	162725664522.786
2001	167220068251.457
2002	177785687436.515
2003	188910774481.127
2004	203516124440.383
2005	222990123577.694
2006	258705068449.058
2007	277547985419.502
2008	291155742579.761
2009	317824078147.111
2010	340512816736.355
2011	352342577063.261
2012	371425742030.468
2013	390660245804.124
2014	420313984347.688
2015	470635832316.239
2016	507010441070.405
2017	538323332385.805
2018	582735861360.937