Year	constant 2010 US$
1960	7173564933.56954
1961	7594954541.2733
1962	8069384789.41618
1963	8237924827.00719
1964	8988287452.27098
1965	9264475406.21851
1966	9336662329.39682
1967	9685233340.12226
1968	10171394996.1862
1969	10773225816.9961
1970	11614359465.3414
1971	12143398978.4484
1972	11959163225.4926
1973	12702823744.3639
1974	15786338644.7831
1975	17689896676.8532
1976	19085916235.0005
1977	19820063072.5707
1978	20502718976.4044
1979	21813550177.4798
1980	23337004093.1936
1981	24749097174.1618
1982	25410828951.3122
1983	24815611721.6341
1984	25210855312.0006
1985	26036248685.1185
1986	26111980693.8087
1987	27382764850.7328
1988	26739053526.7889
1989	27168202372.3236
1990	28464285874.3374
1991	29497564829.6342
1992	29788295285.8076
1993	30665130620.7933
1994	31782893216.0287
1995	32808300839.276
1996	32908227339.9229
1997	34928871137.6208
1998	36810547105.4804
1999	32838643092.395
2000	33275124579.4247
2001	35158661478.2908
2002	37391225662.3655
2003	38411014659.5186
2004	40773397295.0552
2005	42527327157.5994
2006	44344343536.8142
2007	46314830585.5859
2008	49194277320.7047
2009	49639140163.8788
2010	53193172000
2011	56228676552.6603
2012	58615709954.6367
2013	61575604331.0604
2014	63712596927.4855
2015	63927450848.2345
2016	62666628286.0438
2017	64938563463.5959
2018	66694993280.31