Year	constant 2010 US$
1970	11973.4257115435
1971	11848.4948470464
1972	12462.4771339718
1973	13254.1788098654
1974	13501.3619185697
1975	13143.4087048096
1976	12601.6720209107
1977	12154.4013671011
1978	12367.6060974278
1979	12357.6470672171
1980	12312.4990065374
1981	12516.1692539536
1982	12221.5780222073
1983	12428.1704030029
1984	12798.4298091743
1985	12893.4788673111
1986	13427.8056981288
1987	13690.5600309196
1988	14052.7335248527
1989	14127.0720387359
1990	14054.3075813954
1991	13071.0017475184
1992	12976.4627697666
1993	13322.6117996325
1994	13985.6511379412
1995	14355.8829080023
1996	14839.8693016672
1997	15044.2878920513
1998	15348.2727814091
1999	15728.4353553451
2000	15856.3068805712
2001	16185.6532574273
2002	16699.4762084031
2003	17389.0197040738
2004	18051.1947759052
2005	18672.860980556
2006	19007.5987094893
2007	19557.6885066931
2008	19257.5640086191
2009	19332.6572506603
2010	19566.5863525733
2011	20050.4747844821
2012	20393.5074999601
2013	20989.6399131319
2014	21296.3959801323
2015	21703.1726371659
2016	22485.0890204485
2017	22903.9805839456