Year	constant 2010 US$
1970	17630.3873808557
1971	18085.5420077009
1972	18887.7939968292
1973	19909.8078933555
1974	19909.9547197057
1975	19712.8643181991
1976	20514.2900105474
1977	21123.3325605861
1978	21868.4547060261
1979	22582.7947804256
1980	22691.8222818613
1981	22931.6879521718
1982	22871.6715736543
1983	23445.2683768617
1984	24405.5533369194
1985	25176.6053685176
1986	25810.7879570733
1987	26596.4130590715
1988	27723.548511107
1989	28607.7052045065
1990	29239.2704486401
1991	29414.9831486919
1992	29747.3780766598
1993	29851.6920745702
1994	30515.1965794187
1995	31187.1987865677
1996	31928.9684229907
1997	32820.8640949007
1998	33504.547681089
1999	34482.7955284673
2000	35703.1535533939
2001	36072.5900806973
2002	36403.0073344372
2003	36999.7141883532
2004	38022.4903903093
2005	38858.3714664477
2006	39785.9795601879
2007	40538.4878124925
2008	40308.8986187271
2009	38794.5416452068
2010	39817.5402978607
2011	40359.9615273415
2012	40631.3877202613
2013	40999.767452264
2014	41568.8895489673
2015	42238.4305983609
2016	42689.5468215482
2017	43593.3992378405