Year	constant 2010 US$
1960	4095184495.90007
1961	4146226980.18646
1962	4477560284.5593
1963	4483101434.51023
1964	4792914122.53622
1965	5172877387.36138
1966	5582147446.97641
1967	5879396698.39544
1968	5316187592.72733
1969	5476623367.11908
1970	4955021991.78734
1971	7181943149.20212
1972	8125593080.75666
1973	7591905875.90022
1974	8727304861.27717
1975	8556335785.76016
1976	8115012009.85046
1977	8805002876.75017
1978	10073274304.6148
1979	10477218002.0985
1980	10738233656.4083
1981	10336439612.2155
1982	10662948028.0213
1983	10315611862.8143
1984	11133817592.2629
1985	10374416815.533
1986	12346986247.7843
1987	13417943408.1607
1988	14557259536.6124
1989	15421372301.6642
1990	15376611750.0076
1991	15746065457.9052
1992	15585414718.1844
1993	15344796882.6176
1994	15624442863.2568
1995	17811977600.9273
1996	18274869563.1022
1997	18973163100.6285
1998	19841694231.1764
1999	20655001752.7418
2000	20575888392.1619
2001	21429320141.8801
2002	21610037547.81
2003	22086037589.1537
2004	22620508131.635
2005	24083247385.7635
2006	26473478750.0714
2007	27875461993.1982
2008	27452029497.9025
2009	28711821050.6858
2010	30861987146.8021
2011	32799628340.8451
2012	34687717545.3451
2013	37578184296.5129
2014	39182224640.2812
2015	41204762715.0225
2016	43157493532.1318
2017	46425376515.4748
2018	49134367525.6307