Year	constant 2010 US$
1960	5602689533.94419
1961	8036382026.73741
1962	7318545525.3326
1963	5585180981.97996
1964	6355574695.57329
1965	6618180838.74299
1966	7441098795.32605
1967	6075425618.2386
1968	7406085459.30383
1969	9402022705.59371
1970	12466008939.9596
1971	15179823192.7645
1972	18068671156.4928
1973	21150153697.0919
1974	25212126452.1986
1975	28889003377.6464
1976	30622204016.7864
1977	35507166318.8046
1978	40847143737.0058
1979	50972103756.8898
1980	63393780368.7775
1981	71253406748.1093
1982	75277673992.9696
1983	547644750116.716
1984	835535870073.758
1985	1223950547975.96
1986	1175045871282.6
1987	952999877606.329
1988	270448137691.305
1989	332521560493.168
1990	675912374476.501
1991	451495285370.43
1992	513550581379.069
1993	711014694867.481
1994	969824492852.926
1995	1045478449377.71
1996	500991888371.084
1997	371872999356.217
1998	-239892867106.181
1999	-445545034208.273
2000	-665345669274.939
2001	-858997590320.863
2002	-177345849692.72
2003	-949892745813.408
2004	-439640973424.075
2005	-620889654666.022
2006	-511262371922.153
2007	192414022736.333
2008	157895730772.27
2009	264300672532.143
2010	248275877014.576
2011	267816327221.675
2012	297225867096.501
2013	305687147411.106
2014	322982780472.252
2015	332679842582.595
2016	349266613569.29
2017	369140445074.07
2018	400584655007.236