Year	constant 2010 US$
1960	4057702697.71859
1961	4135300315.92848
1962	4438361566.93668
1963	4466906321.17057
1964	4896763827.08202
1965	5169760435.3554
1966	5557123429.48823
1967	5862870566.69968
1968	5686355467.35
1969	5964557255.67302
1970	5550627472.25326
1971	7676824519.32186
1972	8619092023.84973
1973	8209201391.45191
1974	9334729797.37467
1975	9392006634.30439
1976	9150365415.93099
1977	10005395569.0119
1978	11456283900.3826
1979	11961552651.7158
1980	12253204399.6294
1981	11747227758.3653
1982	11990617889.1052
1983	11918454485.2523
1984	12632010217.8217
1985	11999737209.669
1986	13930618363.8058
1987	14966848200.8811
1988	16020650425.8217
1989	16821443513.7538
1990	16937746102.5902
1991	17465334290.5728
1992	17666500709.7272
1993	17762815743.7642
1994	19296069461.2662
1995	21760909833.6471
1996	22333345097.8493
1997	23006436144.0808
1998	24016779245.2726
1999	24719649374.5647
2000	24546339289.7505
2001	25507225036.5211
2002	25756369730.7517
2003	26488704930.8367
2004	27045270261.3715
2005	28459096405.3553
2006	30736984870.5188
2007	32491833399.0123
2008	32483727953.5152
2009	34187672718.0173
2010	36529611324.5458
2011	38695657848.113
2012	40990838282.7476
2013	44257507519.7981
2014	45967667764.4061
2015	48790207079.924
2016	51170131641.4126
2017	54839192720.7604
2018	57619230003.7949