Year	constant 2010 US$
1970	6792405952.32854
1971	6404866605.67485
1972	7137975171.66812
1973	7938605539.46731
1974	9252699578.05832
1975	8239936848.04851
1976	9183100344.89166
1977	9157109940.65863
1978	9572290367.9974
1979	9768440112.67259
1980	10002560449.6082
1981	10373434872.9446
1982	11903082554.6389
1983	12433455715.4397
1984	12722417715.579
1985	13385669506.1177
1986	14154555368.1437
1987	14617973927.8482
1988	15725716822.3608
1989	17175448092.832
1990	18080082383.111
1991	19538534150.2497
1992	19561336967.1387
1993	20524560664.5056
1994	20716950690.7833
1995	23373456391.1908
1996	24286379313.455
1997	25635049153.836
1998	25648888619.0533
1999	28135239267.3175
2000	29109513826.2598
2001	29771292189.1224
2002	29322857811.6143
2003	28886419869.8941
2004	34176838089.2478
2005	35882265753.1355
2006	34491676303.4746
2007	39885088214.3038
2008	37241050213.6132
2009	27571558526.961
2010	31940196272.4491
2011	31665301892.2842
2012	31752931998.4361
2013	31800853459.4964
2014	33736391499.9993
2015	34842544716.5086
2016	36316430885.8151
2017	38790567436.1741