Year	constant 2010 US$
1960	19134813337.9845
1961	20072543420.0412
1962	21216685052.994
1963	22489576411.8094
1964	23389140469.9849
1965	24534973237.5668
1966	25786004564.5092
1967	27086434597.5533
1968	28341572421.3039
1969	29465423211.029
1970	30339140207.3419
1971	31365039038.1728
1972	32399875531.7147
1973	34265552391.6084
1974	35940035719.0214
1975	37664763213.0837
1976	39547469945.0904
1977	41633327350.9783
1978	43803730221.6937
1979	45927874649.2111
1980	47998151532.033
1981	49272855591.4434
1982	50976929831.727
1983	51286970130.8326
1984	51423813007.0942
1985	50827767475.8983
1986	52516623534.9016
1987	54638835490.9911
1988	58041911248.084
1989	60947497328.6131
1990	64227015926.535
1991	65678299225.6453
1992	67818628068.3475
1993	69881537421.7197
1994	72480344243.023
1995	75243652385.6497
1996	78722698283.0255
1997	82651163715.6962
1998	85500104334.0308
1999	88944274031.0585
2000	93566799975.2895
2001	97388683850.7048
2002	102363830816.611
2003	107988098947.834
2004	114435738443.9
2005	119499008780.806
2006	124496666774.846
2007	130235552795.595
2008	135028048615.048
2009	138178472358.33
2010	142808155826.796
2011	150791536845.512
2012	160784661511.962
2013	169829622345.997
2014	179258746937.972
2015	190610972306.352
2016	204210456338.39
2017	216224892709.417
2018	228250951332.636