Year	constant 2010 US$
1960	280911051.448475
1961	295446617.430818
1962	357335161.252551
1963	449463676.365386
1964	533620107.867287
1965	590114008.644026
1966	581152907.141509
1967	641468013.408452
1968	638920543.081649
1969	649110424.388859
1970	686947851.301661
1971	712587390.884951
1972	934277249.795052
1973	925885582.83617
1974	938967592.22028
1975	1008258785.10931
1976	1048448875.79451
1977	1018913205.12317
1978	1110906854.15988
1979	1271277603.79189
1980	755145130.462121
1981	867473586.754548
1982	797657914.680589
1983	854106860.098617
1984	676323401.526938
1985	597157014.841657
1986	491886549.866434
1987	481067293.537308
1988	464589656.058766
1989	583091999.720079
1990	676145136.772515
1991	568240442.324271
1992	604404819.609112
1993	643948802.832917
1994	738412509.976301
1995	901398706.235953
1996	1047673974.68007
1997	1198149307.16164
1998	1268624714.93959
1999	1424015761.79486
2000	1602225795.62387
2001	1719986761.18192
2002	1659587292.09682
2003	1811882059.11127
2004	2121812888.03335
2005	2284544559.06082
2006	2569982457.88253
2007	2817225338.53608
2008	3045915460.77878
2009	3047205835.02375
2010	3544361783.82124
2011	3837042104.43883
2012	4312696200.96636
2013	4477249893.34801
2014	4765964990.41859
2015	4719064975.0998
2016	4935950903.06622
2017	5416687668.5067
2018	5277280598.0362