Year	constant 2010 US$
1961	41734494713.004
1962	43669024140.6589
1963	47515162300.7926
1964	53967872546.011
1965	56398411762.2573
1966	63803717453.092
1967	70651585224.3753
1968	79337714416.3141
1969	85675819923.6541
1970	93534960698.782
1971	98087064502.4486
1972	106558653486.842
1973	117308586500.832
1974	112015677080.516
1975	102722600630.622
1976	110702764179.028
1977	117804596192.347
1978	129545631796.507
1979	134431464898.201
1980	135869067841.482
1981	138062145863.777
1982	136140452118.614
1983	143997759210.946
1984	170815289231.367
1985	178469058212.928
1986	186489562588.683
1987	192430676887.162
1988	209934043348.232
1989	211695290285.627
1990	221268002536.695
1991	224816168067.699
1992	241503548014.578
1993	267633449122.345
1994	301967222302.965
1995	328753579910.014
1996	347577193906.678
1997	377435877766.892
1998	413355781808.928
1999	458087421974.631
2000	499525777741.301
2001	484695912835.893
2002	490464661534.049
2003	481993072549.655
2004	508656573700.632
2005	519950191964.668
2006	524461038051.049
2007	530453495370.728
2008	506349807733.318
2009	440692242507.27
2010	469948563365.056
2011	492348764927.517
2012	505969319669.618
2013	518040417109.138
2014	550323222344.353
2015	568858949015.801
2016	576393528906.879
2017	582830652993.95
2018	601634096479.862