Year	constant 2010 US$
1960	15289332531.078
1961	16052335157.1079
1962	18225945346.8364
1963	17820331084.0147
1964	20758666253.3308
1965	20704412116.2654
1966	21005823988.8506
1967	23308610695.4014
1968	24428140507.8606
1969	26021317548.668
1970	30293615548.3682
1971	33224200126.675
1972	35712139840.671
1973	36431222450.9813
1974	34229193427.5519
1975	37577448743.5838
1976	39045755151.4631
1977	41835106738.0442
1978	42778095310.8464
1979	45812882279.3898
1980	49050906967.7334
1981	46669753174.3105
1982	47771198274.4146
1983	48020078363.4921
1984	51684385557.3491
1985	59664049589.847
1986	61921193927.1206
1987	68128556148.8177
1988	73886384091.9735
1989	74651970248.3398
1990	78138875025.7609
1991	86934073467.7965
1992	95154005821.5838
1993	102205321286.519
1994	111903032992.753
1995	116841881819.256
1996	128478963631.38
1997	142462752165.775
1998	148986166265.297
1999	151840106110.289
2000	166859890309.598
2001	181279434294.073
2002	180285636291.321
2003	181183843671.625
2004	183520216272.549
2005	189868811485.972
2006	195509519387.209
2007	203607164638.404
2008	211769398148.011
2009	216862397617.922
2010	227050118911.301
2011	229003267845.653
2012	239544071618.346
2013	252248151459.422
2014	267264490951.616
2015	285522299839.268
2016	305065845657.691
2017	321856209314.244
2018	332750956743.03