Year	constant 2010 US$
1970	15493.1772608123
1971	15883.4433958235
1972	16581.2356251378
1973	17436.1921154876
1974	16933.6536597887
1975	16874.7492635327
1976	17518.3619391798
1977	17995.1255812702
1978	18736.7489602026
1979	18892.8025178819
1980	18630.3800934261
1981	18809.5493071513
1982	18917.2990028913
1983	19260.7644509588
1984	20090.5826936954
1985	20791.923897818
1986	21528.368389263
1987	22176.6447601198
1988	23242.5534714377
1989	23838.7905360064
1990	24304.6934043031
1991	24472.1762370445
1992	24763.7051685947
1993	24861.0653510232
1994	25520.7652499832
1995	26200.4512604181
1996	26863.6282789771
1997	27682.0491411998
1998	28452.8912430866
1999	29191.6438555087
2000	30033.0962952309
2001	30400.6416919284
2002	30665.3907638898
2003	31149.4427513022
2004	32034.0799582916
2005	32567.7585879098
2006	33324.2501005313
2007	33738.2968721312
2008	32908.0120033828
2009	31803.3967614023
2010	32726.3309119326
2011	33110.5347346278
2012	33562.9206442084
2013	33808.3278950395
2014	34464.2533063052
2015	35292.6413764214
2016	35618.1061717511
2017	36415.8558369792