Year	constant 2010 US$
1970	35756.3997373147
1971	36142.9557008696
1972	38495.3221816247
1973	39888.1945193849
1974	39832.4864651449
1975	39776.0826841683
1976	42212.6272675966
1977	43016.5059584062
1978	43923.4088031074
1979	41756.7020651465
1980	38169.8497915336
1981	32792.5258647211
1982	39741.234936651
1983	47567.6105721923
1984	49052.1677549831
1985	51838.5352605999
1986	55526.7307873088
1987	57977.8253297677
1988	61173.8324829405
1989	65121.1501043452
1990	68391.8072469694
1991	73919.9882332019
1992	73571.6616794023
1993	74834.3009783616
1994	74108.3466110985
1995	76534.9933171879
1996	76638.0746640085
1997	82972.3238360702
1998	83407.2709378061
1999	86577.0139106877
2000	90947.6469790267
2001	94574.1548443663
2002	88240.1931417087
2003	81185.3723879671
2004	94148.5735725503
2005	96475.8972690697
2006	87876.5837875387
2007	104053.336502389
2008	97837.4576531248
2009	70603.7822137135
2010	75708.1944841122
2011	72225.4267432102
2012	70580.4425126333
2013	68450.7394082112
2014	68585.17956102
2015	71554.8856631855
2016	71421.210237957
2017	74016.7635575256