Year	constant 2010 US$
1960	10033213970.0652
1961	10058160906.0518
1962	10299351174.4704
1963	11331215255.4394
1964	10881913996.6518
1965	10120411958.0794
1966	11679391896.4895
1967	12138372114.0879
1968	12541922732.4015
1969	12644674217.4878
1970	15471638996.4227
1971	15276942003.7048
1972	15329144785.2812
1973	16437583585.547
1974	16289828699.2659
1975	18897434303.1837
1976	22151700498.9705
1977	21012941595.3002
1978	22621760547.2563
1979	25315713978.0936
1980	26975543527.1753
1981	27320025767.4278
1982	28325713044.9469
1983	29169186106.7589
1984	30447771471.5169
1985	29258291308.813
1986	32312109607.1901
1987	35862083255.5635
1988	37728546371.5462
1989	42143878611.0168
1990	45961966920.5089
1991	51958147816.241
1992	55733442689.9211
1993	61954430124.8326
1994	68671929871.8755
1995	84236698557.6387
1996	88917502245.1392
1997	87699464997.6643
1998	96652911277.0428
1999	110227018382.121
2000	129865060395.557
2001	135985473472.251
2002	159963945692.578
2003	176757481670.516
2004	220050815655.008
2005	273427702710.456
2006	325691651116.424
2007	345017863772.049
2008	388186301545.915
2009	369922209927.105
2010	436055108608.104
2011	502067245197.903
2012	531202207245.018
2013	572234491341.145
2014	582585544325.611
2015	552012753936.849
2016	576385373118.092
2017	600856189504.392
2018	677205600077.435