Year	constant 2010 US$
1970	3959.04372111357
1971	4139.67749574152
1972	4362.74985271592
1973	4639.24058653764
1974	4684.70461841882
1975	4729.07244195964
1976	4988.32905568205
1977	5160.80080792462
1978	5156.75703522228
1979	5281.67681078389
1980	5561.99770225792
1981	5498.31537598674
1982	5212.98616053421
1983	4840.69046265855
1984	5100.02023868404
1985	5135.37965166804
1986	5130.52799136815
1987	5213.79069558306
1988	5112.09623892111
1989	5290.82299037363
1990	4981.97640546622
1991	5271.77281967021
1992	5381.52293462071
1993	5469.56977108672
1994	5640.07028445665
1995	5677.30198430403
1996	5717.4748595901
1997	5914.72081079302
1998	5900.18804622521
1999	5751.99244672071
2000	5893.41456693137
2001	5834.55232249256
2002	5777.93284904975
2003	5741.50100014446
2004	6027.65897587458
2005	6227.57386241021
2006	6551.02330176131
2007	6900.91174449854
2008	7093.66176518377
2009	6983.74056172514
2010	7386.95476053944
2011	7662.28104481114
2012	7803.97144212563
2013	7888.21776187548
2014	7808.53813160197
2015	7753.50130548726
2016	7647.71187401288
2017	7688.24705396016