Year	constant 2010 US$
1960	64036136387.2914
1961	69140301155.6856
1962	70532151782.3272
1963	75636730145.2234
1964	73780785681.287
1965	69140303922.2039
1966	72388521045.1654
1967	79348632767.3625
1968	83989119644.5043
1969	90485547665.7612
1970	96529098145.3019
1971	105122241142.473
1972	114093960466.536
1973	128098852238.508
1974	128331727106.953
1975	147784089492.708
1976	159164252458.644
1977	150435787426.787
1978	158661562369.744
1979	171612913166.545
1980	171930060335.457
1981	166586383959.286
1982	179552679073.546
1983	164805146143.446
1984	147083794740.214
1985	187054914008.068
1986	224309164052.742
1987	270951880786.095
1988	267480333283.195
1989	316991033114.789
1990	286050594179.578
1991	277779843508.413
1992	285671366587.085
1993	292262745281.946
1994	293235642507.958
1995	297180298431.105
1996	293363690825.375
1997	297020272282.856
1998	306589572589.814
1999	311765437073.67
2000	311293838733.515
2001	319437046214.188
2002	331627797635.289
2003	336922442928.604
2004	349981682185.084
2005	357019611471.123
2006	369732361698.499
2007	384777313835.834
2008	392646163994.998
2009	404210252614.825
2010	420057980900.409
2011	429317303319.691
2012	439092881821.282
2013	445723716859.936
2014	449347828672.124
2015	442892640632.105
2016	443827148817.644
2017	439982776091.405
2018	440061801671.214