Year	constant 2010 US$
1960	15403072209.1839
1961	16198042347.7791
1962	16825816385.7968
1963	18595571337.1933
1964	20735471115.0257
1965	21754420935.5267
1966	22852236841.2059
1967	23036257706.6214
1968	22666112880.1856
1969	23862774279.2879
1970	25198735286.2253
1971	26221135246.7703
1972	27022369395.9887
1973	27969997996.8325
1974	28406033083.9317
1975	30945290182.9185
1976	35054728616.5489
1977	38210721351.4442
1978	41507835712.6966
1979	43395483252.027
1980	47739947868.0341
1981	51248143667.4188
1982	56325384963.6693
1983	59194829227.9389
1984	64963816822.1871
1985	68726200035.8273
1986	71986932154.3154
1987	74746013177.6516
1988	78828132517.0511
1989	82707161342.0533
1990	87394200285.0522
1991	88377738633.3517
1992	92330750431.455
1993	95009072343.6832
1994	98783946374.6233
1995	103369950362.624
1996	108526798673.925
1997	114487475445.129
1998	120870721735.066
1999	128187556880.564
2000	136353109167.482
2001	141173535145.489
2002	144547870668.648
2003	149163941492.323
2004	155267836796.357
2005	162211017704.695
2006	173312477288.906
2007	185596566588.274
2008	198878383182.198
2009	208173162899.898
2010	218888324504.753
2011	222750766478.596
2012	227709643593.4
2013	232686160554.957
2014	239471083953.363
2015	249940805429.861
2016	260804841091.839
2017	271709667876.451
2018	286148648497.897