Year	constant 2010 US$
1970	3909.2490986131
1971	4080.30775172152
1972	4310.05473308992
1973	4609.01313507056
1974	4671.93217536015
1975	4745.3322514001
1976	5005.5674542451
1977	5178.6771526903
1978	5169.38732825492
1979	5285.85746301687
1980	5560.1245058553
1981	5501.37241454662
1982	5243.38872046476
1983	4887.1279996097
1984	5166.14375621246
1985	5206.449897608
1986	5183.38293473226
1987	5251.32334723279
1988	5147.96846537249
1989	5323.07401009264
1990	5004.9840326262
1991	5276.59204151194
1992	5352.63185985029
1993	5422.61070681786
1994	5583.53026191469
1995	5604.93331008375
1996	5638.91644158107
1997	5828.62340537969
1998	5801.1894970713
1999	5661.21602136239
2000	5803.69425961398
2001	5742.25288355747
2002	5685.39557114284
2003	5651.31097327646
2004	5934.73248550872
2005	6125.79235873015
2006	6458.52815035067
2007	6799.63237949553
2008	6985.05570133418
2009	6865.24221068142
2010	7255.18733670165
2011	7508.92465562918
2012	7635.59281615078
2013	7708.94202737735
2014	7625.19733433436
2015	7563.54192719033
2016	7447.87582143688
2017	7492.92053093613