Year	constant 2010 US$
1960	19629750841.7926
1961	22058094704.4617
1962	22922269358.5525
1963	23789431975.9897
1964	24574500596.514
1965	26246135834.2268
1966	27799926113.3208
1967	31071674929.7774
1968	30122595935.4414
1969	27538548394.9484
1970	31654953950.0896
1971	36810393007.0316
1972	35861355477.7333
1973	40056757225.9754
1974	42466729948.9866
1975	46657242900.8686
1976	51280617989.7973
1977	52841366099.545
1978	47058327869.8469
1979	47963569915.8969
1980	47388321599.3382
1981	49776702131.5318
1982	50172083501.9991
1983	52933438428.2366
1984	53619499456.7765
1985	51923087252.1715
1986	55765069791.8103
1987	56194469036.2608
1988	55626961307.0453
1989	51874810406.7282
1990	46525245399.1452
1991	46340489656.6938
1992	45426692204.605
1993	47814257934.6477
1994	50325673177.9953
1995	51949975640.4246
1996	56812698033.917
1997	65198205332.9656
1998	73224589824.9
1999	69615639889.7008
2000	67325442685.7852
2001	66912950519.7849
2002	66675232819.5229
2003	66912950519.7849
2004	73580046038.8804
2005	82386397192.8857
2006	89923902081.8971
2007	100913711738.591
2008	102022449926.927
2009	95059582252.8608
2010	88944105887.219
2011	95570868832.2073
2012	102787546499.38
2013	109292700636.978
2014	109011798571.626
2015	104650992565.835
2016	110089574377.499
2017	114068646899.214
2018	115256624332.001