Year	constant 2010 US$
1960	5328273953.74399
1961	7466616933.82282
1962	10038300238.3204
1963	12398985457.5026
1964	14010967368.6231
1965	18624564280.275
1966	22234271924.6389
1967	21510451642.5088
1968	23255159804.4569
1969	26973736011.4383
1970	28977830448.8215
1971	29180821541.7307
1972	36271901729.5923
1973	42328747998.0798
1974	45714957114.851
1975	45303304803.0503
1976	49743026426.4658
1977	47007749679.6215
1978	46537127766.2327
1979	51843247209.1105
1980	53514805169.5655
1981	51583627699.7245
1982	54126373393.1304
1983	53476905174.44
1984	52763695982.6153
1985	56746641888.1201
1986	66497279225.1394
1987	82983780813.1502
1988	96328027501.3072
1989	113395088298.203
1990	124305121241.66
1991	137161836029.856
1992	146516246096.947
1993	138860445359.83
1994	154752605910.506
1995	171885130359.427
1996	184607551686.375
1997	208431298805.794
1998	237832197310.575
1999	270864667674.453
2000	296571746370.691
2001	306968478352.426
2002	317940010548.182
2003	336741540129.419
2004	370675943548.018
2005	396724723753.974
2006	429114848256.56
2007	465861004795.825
2008	439685079842.067
2009	359157424051.821
2010	384020844369.414
2011	380932286537.388
2012	356732402872.387
2013	354912643669.469
2014	378305952840.601
2015	398875589070.96
2016	410513306768.221
2017	433309300509.574
2018	448275296865.446