Year	constant 2010 US$
1970	22110.4165970752
1971	22502.1291197353
1972	23067.7805161469
1973	24413.2726414381
1974	24472.2975337618
1975	23846.7527691139
1976	24948.2605758831
1977	25239.4641378311
1978	25607.070369093
1979	25587.9254682641
1980	25675.2008414838
1981	25432.8812073056
1982	25153.7563375847
1983	25464.9617971107
1984	26379.3702009287
1985	26232.0404196472
1986	26893.4304161509
1987	27199.5536703229
1988	27597.1386138049
1989	28640.124052765
1990	29062.3100326173
1991	29802.2457624841
1992	29729.0408247646
1993	30007.0638184347
1994	31163.3105689462
1995	32423.7604530697
1996	33536.4646986959
1997	34918.7688699661
1998	36085.8873228574
1999	38226.3533092885
2000	39654.5827207835
2001	39244.3834445082
2002	38962.814565625
2003	39360.1279836569
2004	40059.7424029595
2005	40111.0940824387
2006	42622.9815397346
2007	43774.8907863465
2008	42756.1246760909
2009	41475.2984942733
2010	41980.6520740401
2011	42758.7728111405
2012	42183.2468745043
2013	41830.4428160151
2014	41576.4523507799
2015	43079.1896030837
2016	43087.9220905523
2017	45083.5030908863