Year	constant 2010 US$
1960	18052875007.2354
1961	18828635841.4866
1962	21140449533.9859
1963	23053167921.9253
1964	24499888400.955
1965	26211125535.3327
1966	28812592699.843
1967	30814643467.0008
1968	30420188805.5171
1969	31482896069.9848
1970	32212637193.7296
1971	33681787447.6281
1972	34447106834.9576
1973	37026530944.8557
1974	40457126338.9944
1975	41846225499.8271
1976	42232945756.1836
1977	41362051738.8687
1978	38016921521.3847
1979	37794944094.2361
1980	40459446660.5325
1981	43482825624.7279
1982	42433266848.9763
1983	40059964635.7163
1984	41164437687.8705
1985	41884510805.2064
1986	48171035292.5381
1987	53615283061.5252
1988	49145183618.3002
1989	41115710935.5696
1990	40889866305.8574
1991	42409676913.3385
1992	42095273344.9207
1993	43962358742.61
1994	48120761659.2117
1995	52700302934.9857
1996	53947862481.9919
1997	55902346657.6178
1998	54797486885.2072
1999	54011671324.2907
2000	55374860227.9474
2001	55930963956.5881
2002	58655408162.6199
2003	60129972500.1073
2004	62172628894.1825
2005	64448477602.8406
2006	68451805696.6434
2007	74372492821.4618
2008	80990049848.2347
2009	83478594697.889
2010	91075714134.013
2011	97634489681.8196
2012	104894002334.144
2013	110907115600.232
2014	115244956715.783
2015	119835712878.991
2016	124269073897.863
2017	127550781993.304
2018	132351527255.714