Year	constant 2010 US$
1960	31367358927.0069
1961	33135504950.3487
1962	33832298991.4872
1963	35946765771.8669
1964	39318617746.8635
1965	42260267918.1537
1966	45696068809.9175
1967	48024805986.7378
1968	51554453990.121
1969	54852390983.3997
1970	56652096212.4189
1971	58490004690.4157
1972	60119456309.86
1973	61945737712.081
1974	64621626151.3517
1975	64051899438.3351
1976	62940683196.3288
1977	67566598344.2922
1978	66289281019.7738
1979	76869089470.3851
1980	78041763112.9209
1981	86763730955.6339
1982	94728277862.0918
1983	80284127726.8345
1984	89890583833.9253
1985	98473857272.7403
1986	103321517365.857
1987	100105800408.422
1988	111397351997.598
1989	125001861160.755
1990	128750762593.055
1991	110178170022.568
1992	103845566296.871
1993	114502611740.663
1994	121739635906.397
1995	137006816896.166
1996	140026534559.041
1997	150639563210.823
1998	162407824953.061
1999	173015040075.265
2000	182475327240.021
2001	168256244046.063
2002	181972040896.698
2003	202352643775.766
2004	226680638796.646
2005	242177869842.544
2006	254787433522.185
2007	272325216308.54
2008	299937860225.89
2009	297805122334.909
2010	307751255174.844
2011	324780768649.247
2012	359924435693.225
2013	366148243240.612
2014	358280865482.979
2015	347919479963.153
2016	333371869772.109
2017	334712329547.898
2018	349996256870.875