Year	constant 2010 US$
1960	420185073.025053
1961	340181835.121083
1962	551282815.808869
1963	559510917.53736
1964	589337786.303142
1965	701445672.353824
1966	731272541.119603
1967	683446699.822748
1968	944174673.344297
1969	887092217.602894
1970	907148215.566088
1971	1017290790.24397
1972	1357011404.21361
1973	1133420730.24974
1974	964527133.291823
1975	1579354710.40083
1976	1278863813.00671
1977	1386823494.07546
1978	1800014070.08958
1979	1567379979.74502
1980	1126248365.53403
1981	1117447430.4749
1982	854724308.482433
1983	759511416.623673
1984	1057956257.28064
1985	1341733264.35716
1986	932506815.144692
1987	1095839155.78083
1988	1137820074.08901
1989	965780762.734429
1990	1136571522.9122
1991	1469439612.50087
1992	1547653767.85314
1993	1546584336.20075
1994	1382610101.66233
1995	1552792442.73418
1996	1844525880.35794
1997	2402191322.20846
1998	3087057466.5944
1999	2507860096.07661
2000	2322846071.10524
2001	1917065176.81015
2002	2259476519.74933
2003	1969635289.03605
2004	1736332989.38823
2005	2202809562.2697
2006	2090684263.64244
2007	2321840065.38281
2008	3002449625.13586
2009	3118907267.14567
2010	3341816523.43694
2011	4205731131.7152
2012	3927734693.42201
2013	4557922400.68799
2014	5128120336.47696
2015	5169960308.27412
2016	5679823153.63408
2017	6580223528.12201
2018	6550593047.84222