Year	constant 2010 US$
1961	263902137520.471
1962	277435317165.724
1963	289478399904.509
1964	305346624849.041
1965	322169034676.874
1966	340848463775.198
1967	357376775501.284
1968	375110422485.931
1969	393295953506.281
1970	407520030250.169
1971	427594324445.229
1972	453075355019.534
1973	481207936445.244
1974	506706706340.088
1975	530132784939.026
1976	551885772291.592
1977	569109649343.232
1978	582802482193.794
1979	594112653791.672
1980	606100651491.643
1981	614365274196.793
1982	605326660089.757
1983	617916858576.9
1984	638767945129.413
1985	668359813241.588
1986	687787091651.637
1987	709642779996.421
1988	736536414988
1989	759748688929.954
1990	774318214174.622
1991	773491938592.411
1992	783779769271.632
1993	793509280477.304
1994	807061133030.234
1995	817654265536.392
1996	830790646184.757
1997	859193984577.619
1998	880954441112.671
1999	911662948269.022
2000	947209602095.939
2001	972647684943.758
2002	1007061827871.47
2003	1035062765356.31
2004	1063359668311.32
2005	1097123994498.45
2006	1138927934911.48
2007	1182920338512.1
2008	1220515408816.12
2009	1229759424810.52
2010	1269283404963.08
2011	1295023055095.13
2012	1315509086652.05
2013	1337611257145.18
2014	1364936235896.35
2015	1392876486528.32
2016	1422629875214.24
2017	1467265559960.09
2018	1500722950421.44