Year	constant 2010 US$
1960	25750968035.509
1961	29422588206.586
1962	32448091324.9554
1963	36960684547.431
1964	40240682249.3415
1965	42743808504.4865
1966	41614010082.4318
1967	43310033874.8171
1968	44375377105.6268
1969	44272696075.1557
1970	43748801318.5285
1971	47389389860.1205
1972	48992177537.5575
1973	48563824862.3984
1974	50582367612.5346
1975	50971596778.6975
1976	56757057599.1865
1977	63008193231.6271
1978	66606606296.6013
1979	67272177638.8895
1980	72919357081.0368
1981	75655893491.9303
1982	81300089028.525
1983	86581744084.3584
1984	90046298992.896
1985	95304054306.8202
1986	103545656890.676
1987	109469026443.553
1988	114933485639.766
1989	123023745876.111
1990	137695798571.412
1991	132440504389.869
1992	144108906981.131
1993	145176332321.77
1994	156846765779.334
1995	178701418045.604
1996	185362725902.332
1997	198699528472.112
1998	215528721827.655
1999	230159938951.206
2000	230045860110.226
2001	259605513671.19
2002	260038078508.365
2003	285755518207.37
2004	344250848717.007
2005	397891621128.65
2006	453393482127.707
2007	520389905267.399
2008	539339748111.408
2009	576089802741.627
2010	633747140390.925
2011	704758173863.893
2012	742220319137.184
2013	756253546327.943
2014	778451426582.141
2015	831266621758.127
2016	899774860282.006
2017	984848049184.255
2018	1080087742663.11