Year	constant 2010 US$
1960	1658336063.72798
1961	1646778013.22001
1962	1829590558.57847
1963	1761870149.96839
1964	1934589749.81284
1965	2025589048.88263
1966	2091157195.80671
1967	2520793093.55541
1968	2835255431.98796
1969	2835910650.66334
1970	2927079823.19185
1971	3523845198.30582
1972	3322158416.26782
1973	3929015133.28552
1974	5772960027.90104
1975	6091056516.01265
1976	6212185501.57902
1977	7287199615.79207
1978	7562336654.91598
1979	7739687787.19291
1980	8469842531.52577
1981	8205416734.50218
1982	8435519059.54016
1983	6552611793.43247
1984	6317049718.72584
1985	6854957457.88479
1986	6820384320.79053
1987	8045839322.2039
1988	6662496106.081
1989	6966583336.90097
1990	6858233551.26169
1991	7666713720.6313
1992	8010631670.37009
1993	7966518890.36829
1994	9239288474.56706
1995	10276877180.0544
1996	8982301479.90263
1997	10824829981.731
1998	11531882787.3031
1999	7888328649.85379
2000	8899748798.31896
2001	11188976894.6633
2002	13316559620.8826
2003	12775949409.1573
2004	14165576878.7467
2005	16204759888.3256
2006	17788534253.6718
2007	19043508196.0775
2008	21793240540.6282
2009	19631506063.3029
2010	22541700000
2011	23363664520.9938
2012	23558718736.2918
2013	25199811339.0694
2014	26397962720.6252
2015	24244736343.0513
2016	21912311311.3964
2017	24593591572.5484
2018	26030885591.8325