Year	constant 2010 US$
1960	11203019649.7459
1961	11757524088.4189
1962	12053119214.1047
1963	12345468182.6275
1964	13360846656.7813
1965	13741422532.887
1966	13712627382.4281
1967	14690770677.3869
1968	15217625138.9077
1969	15997068876.9325
1970	17049496275.3345
1971	18551564481.6028
1972	18146898735.4512
1973	18623067672.4236
1974	21467620937.7361
1975	25336741510.132
1976	27076378610.243
1977	28539727630.9571
1978	30029187388.054
1979	31013320015.9415
1980	32754306215.7543
1981	34038932323.0744
1982	34702995158.1451
1983	32679757881.6603
1984	33113858703.649
1985	34559071783.9988
1986	35070578689.0205
1987	36844852557.8638
1988	35352614666.5452
1989	35922628697.6682
1990	37060944158.6212
1991	38198613151.2659
1992	38913754596.4097
1993	38984213080.6775
1994	40746145270.4292
1995	41532301219.1052
1996	41214933439.87
1997	44170523480.4549
1998	47060864055.1541
1999	39999454292.6504
2000	41233910885.3477
2001	45797944177.3492
2002	49932428723.6458
2003	49624814512.7481
2004	52735386174.1661
2005	56369862101.712
2006	59262753019.8414
2007	61865817483.9671
2008	68241452295.1929
2009	67293939061.8904
2010	72694628000
2011	77978647389.6856
2012	81277064013.5902
2013	86383874819.5394
2014	89356284468.0884
2015	87214151477.5533
2016	83276776253.2825
2017	87967533144.6691
2018	90421785828.5488