Year	constant 2010 US$
1970	13417.7523570538
1971	13849.731385431
1972	14976.8982015525
1973	15698.9994173927
1974	14591.6078703278
1975	15152.8278719444
1976	15254.1847991393
1977	15815.8154591684
1978	16426.1890772561
1979	16274.7426598198
1980	15881.2323889866
1981	16125.1209044951
1982	16165.4039337008
1983	16092.2830532364
1984	16272.0110303541
1985	16558.8857380569
1986	17027.4081520752
1987	17549.1774466041
1988	18167.738516904
1989	19152.3502748268
1990	20393.689195413
1991	20372.2154153483
1992	20493.2937272251
1993	21372.3255429913
1994	22340.2727107943
1995	23968.6315850702
1996	25546.2427222158
1997	27717.3812492772
1998	29967.0779846516
1999	31461.0730292216
2000	34106.2372237547
2001	34912.0030740983
2002	35484.2002459524
2003	36873.8702995276
2004	36965.0439525594
2005	38135.9399414472
2006	38904.6416167434
2007	39381.3437658431
2008	37074.2721062168
2009	33426.6591393661
2010	33811.358785593
2011	33154.2262163413
2012	32831.6074825995
2013	34920.7963435948
2014	37412.142621985
2015	39059.1144476199
2016	41926.7344750233
2017	41329.797801921