Year	constant 2010 US$
1960	23262981388.6931
1961	23618140596.6177
1962	24239670986.14
1963	25305150385.5685
1964	26548211164.6131
1965	26903370372.538
1966	28151033646.7178
1967	29275082992.9173
1968	30195464826.7732
1969	30876747748.6222
1970	32226364848.7085
1971	33282337473.7804
1972	34651902023.9105
1973	35685475187.9233
1974	37720622493.9882
1975	39221383603.6595
1976	40891740311.1327
1977	42416649387.0304
1978	42776644509.5508
1979	44343068597.1274
1980	45230342259.7543
1981	46085249240.1915
1982	47580441939.6789
1983	48453526380.8936
1984	48756117239.0907
1985	49443589022.8991
1986	50278431899.9209
1987	50314137191.28
1988	51190882606.5767
1989	52036513053.2373
1990	53134841037.3057
1991	54731259630.4284
1992	56397699882.3419
1993	58562957322.5665
1994	60294684283.3973
1995	61877958228.6764
1996	62570857371.4642
1997	64269180095.9862
1998	66207130937.3816
1999	68365413031.3223
2000	68523867173.2707
2001	68286358135.5274
2002	68830656854.3215
2003	69531793917.2273
2004	70600975292.2865
2005	72196933250.5833
2006	74556514617.6328
2007	75598770443.496
2008	78372486093.7772
2009	80297563529.4576
2010	80308807893.0913
2011	80365122420.972
2012	80406444464.0077
2013	81015957843.0285
2014	81696420640.172
2015	82353706009.3306
2016	83830942559.3672
2017	85060577957.3037
2018	85196742035.653