Year	constant 2010 US$
1960	1904743780.82125
1961	2498051573.40313
1962	2487844499.55495
1963	3912509807.00845
1964	3368247869.27333
1965	3391257035.74465
1966	5614842123.38276
1967	6750508839.93146
1968	9556502641.29661
1969	12414656320.0385
1970	12421922372.6084
1971	14306684508.8624
1972	12438703494.0198
1973	16431312880.5487
1974	21606039819.6981
1975	21283305984.7188
1976	26179760410.5666
1977	34422837549.2297
1978	45050217938.3268
1979	53204199432.3829
1980	44633717424.9456
1981	45786251763.5315
1982	50467752134.1867
1983	58016315748.0444
1984	63445441027.7658
1985	68245793258.3142
1986	78618083301.8327
1987	91156781519.3143
1988	107020044790.024
1989	125207579876.84
1990	144735615162.176
1991	170660717730.293
1992	170841850040.785
1993	181156963170.629
1994	208558458420.447
1995	230921465216.801
1996	254198178123.819
1997	249267209948.264
1998	175974537675.78
1999	218831878248.639
2000	250623453260.684
2001	253643363109.732
2002	272153805032.779
2003	286333074119.791
2004	297330071683.069
2005	304516889679.697
2006	319740740324.256
2007	334230373656.753
2008	330997758768.785
2009	297423924862.096
2010	350490155796.277
2011	362682159505.424
2012	354341077157.693
2013	353920597615.524
2014	372545652867.799
2015	399731761559.295
2016	422157567810.003
2017	464828413033.568
2018	456027406858.289