Year	constant 2010 US$
1960	474300869.634551
1961	492998444.60387
1962	536311634.326374
1963	579710592.741399
1964	595234726.087485
1965	769430940.59522
1966	631171808.253286
1967	694983715.488024
1968	705275958.590401
1969	771317851.830655
1970	924500736.671038
1971	1071594044.34251
1972	1126314470.17015
1973	1221689256.25218
1974	1340736201.46968
1975	1324182843.81335
1976	1637924721.05082
1977	1841539597.09285
1978	1991291734.23244
1979	2295684823.98525
1980	2079461950.14281
1981	1561504816.01567
1982	1127257925.78787
1983	1220574263.24942
1984	1539633799.42312
1985	1622400587.70474
1986	1817438594.49479
1987	2003728194.64781
1988	1930653268.62094
1989	2228013325.58712
1990	2551018221.61672
1991	2224153734.42373
1992	2862875338.34002
1993	3286840108.86612
1994	3407866914.49679
1995	3601128610.47012
1996	3398091227.16966
1997	4021489778.08967
1998	5077709081.54268
1999	4981581112.06453
2000	4756162028.32861
2001	4890527476.0828
2002	5135975250.92115
2003	5415028403.69938
2004	5471119370.60871
2005	5722123735.83439
2006	6161328248.15019
2007	7331060737.02525
2008	8041264612.62971
2009	7026523838.69263
2010	7326964082.82709
2011	7564533020.85312
2012	8314315563.99022
2013	8286486544.73687
2014	8556970747.28133
2015	8810720064.10401
2016	9234017698.99805
2017	8947243064.61186
2018	9115212793.74795