Year	constant 2010 US$
1970	11159.6304656989
1971	11626.2585373358
1972	12610.9404571773
1973	13496.3219786146
1974	13687.1177249481
1975	13613.8273034629
1976	13843.7642721832
1977	14142.9669506979
1978	14441.2696781272
1979	14321.0283105951
1980	14022.7740141422
1981	13450.6256196427
1982	13484.1418804992
1983	13476.587885326
1984	13811.4131618278
1985	14314.0814234299
1986	15147.2022708163
1987	16103.611238886
1988	16936.0917533673
1989	17943.4015304614
1990	18774.1767346332
1991	19356.7976473146
1992	19529.369768859
1993	19106.9590128401
1994	19146.6835401807
1995	19960.3739908263
1996	20330.4019845605
1997	21017.4178167623
1998	22071.422462149
1999	22996.3632128628
2000	23761.2770142655
2001	24465.6801831265
2002	24981.8196404466
2003	25493.9313716348
2004	25663.2883823439
2005	25942.0796841838
2006	26386.084887
2007	26640.6406462644
2008	26150.3037127587
2009	25363.7092492409
2010	25097.7878143024
2011	24217.3215793073
2012	23606.4985864663
2013	23269.0760080067
2014	23708.5431208809
2015	24960.2650443857
2016	25811.8912102669
2017	26342.1173189994