Year	constant 2010 US$
1960	4307500778.59922
1961	4152042631.83908
1962	4866983012.42644
1963	5206296007.81855
1964	5575930574.6367
1965	4907823018.59691
1966	5537681219.15637
1967	5721883002.35461
1968	5742982015.59376
1969	6360722110.31526
1970	7614660175.57772
1971	8485223030.69812
1972	9559140309.5438
1973	10614465733.0579
1974	11204415669.5788
1975	11800343000.6219
1976	12582836699.7153
1977	13016829342.7798
1978	13503909620.3105
1979	14240182003.9201
1980	14819249868.6164
1981	15333395377.0654
1982	15717438293.2172
1983	16422081896.9705
1984	16658247604.4278
1985	15777119666.1247
1986	16680596775.1206
1987	18189153367.6948
1988	18344098738.729
1989	19448736212.5787
1990	18451518096.0044
1991	18542533979.4328
1992	20816696403.6817
1993	21989822169.3799
1994	22716403695.7766
1995	24001257285.8656
1996	25613059009.4109
1997	27880615491.1895
1998	29714525454.0223
1999	31414097785.3898
2000	32924258686.4528
2001	33740912844.095
2002	35280759641.4591
2003	33956727339.1004
2004	34200122527.6554
2005	38631076179.1821
2006	42347029194.5691
2007	45431483107.6725
2008	47582019856.164
2009	48028672427.6986
2010	52053290065.2193
2011	53561173111.8393
2012	54947495036.6407
2013	57189258503.6664
2014	61444759910.6181
2015	66145362074.0465
2016	70325553615.5369
2017	73148020423.5523
2018	78508795639.7885