Year	constant 2010 US$
1970	5550.72868278918
1971	5668.3106854844
1972	6080.61480507032
1973	6329.98307682712
1974	6612.84004803358
1975	6462.6622743611
1976	6630.4869782582
1977	6812.34811154833
1978	7237.3797501239
1979	7618.15237414303
1980	7164.18695237679
1981	7938.38857592856
1982	8428.50535274774
1983	8998.15155949478
1984	8272.4025433685
1985	8232.18005640892
1986	9328.87488160684
1987	9996.64946429494
1988	10292.5566014751
1989	10175.0228274047
1990	10453.7666117498
1991	10556.8756247902
1992	10971.3774842627
1993	11453.3796433681
1994	12227.473241293
1995	12910.3629015564
1996	13333.0278204616
1997	13530.1526584113
1998	13989.9202454972
1999	14203.469154416
2000	14993.4098920567
2001	15218.0805989031
2002	15136.6171897993
2003	14884.654524775
2004	15402.5719543593
2005	15646.3564502124
2006	16143.4924446476
2007	17120.149734884
2008	17119.9673947418
2009	16894.7927061594
2010	17390.8344488057
2011	17751.3827504185
2012	17943.0695112011
2013	18256.0755487979
2014	18672.4978447603
2015	19064.2891855415
2016	19889.7449882638
2017	20163.974460938