Year	constant 2010 US$
1970	6968.33737545588
1971	7551.54881364539
1972	8184.80349178164
1973	9266.19003377158
1974	9222.55999666113
1975	8292.81305692124
1976	8556.31458911629
1977	8810.99973285807
1978	8729.65403035608
1979	9014.11597396178
1980	9090.27550434224
1981	8856.05246075303
1982	8817.62207526039
1983	8904.68629719774
1984	8667.73261082413
1985	9176.34961890596
1986	10241.1141972198
1987	10926.8806739564
1988	11749.1347846268
1989	12540.1759558485
1990	13470.9556547208
1991	14093.7101810111
1992	14660.4123472306
1993	14553.5686676409
1994	14970.8233007795
1995	15103.7974469335
1996	15395.0185403089
1997	16015.4201844804
1998	16786.4322961139
1999	17537.4619574341
2000	17446.8541970547
2001	17628.3088644061
2002	17891.4953766766
2003	17758.7352697256
2004	17887.6695389351
2005	17916.574221906
2006	17840.670347372
2007	18378.6655338451
2008	17873.5192876403
2009	17631.9429497622
2010	17861.8234951578
2011	17577.7213404745
2012	16814.8667039336
2013	17186.94388445
2014	17463.9991728664
2015	17910.5129073128
2016	18576.4535909084
2017	19145.1959334075