Year	constant 2010 US$
1970	18117.8773725579
1971	18795.6095286
1972	19519.5391522066
1973	20565.5468977313
1974	20529.2849037609
1975	20345.8041999472
1976	21045.2304283541
1977	21520.7697652247
1978	22606.7253375143
1979	23213.4302206093
1980	23064.2149311639
1981	22833.4976701054
1982	23165.0105676747
1983	23287.5298518134
1984	23396.7799575145
1985	23829.9433056996
1986	24980.5830307826
1987	25517.609143245
1988	26680.9589599889
1989	27364.8629665766
1990	28131.9659209478
1991	28028.9933507121
1992	28553.8656545419
1993	28268.5594272447
1994	28800.9942574611
1995	29306.9574819062
1996	29644.2473132807
1997	30418.01930818
1998	31550.5814561653
1999	32715.599420605
2000	33300.4588144641
2001	33774.4644051223
2002	33715.0560897707
2003	33603.8345842336
2004	34382.0135726916
2005	34427.2085388329
2006	34861.8873375818
2007	35622.8559444523
2008	35241.3911200408
2009	33772.9476139843
2010	34311.5177305945
2011	34832.695169726
2012	34402.4077155353
2013	34544.6693453132
2014	34819.4358866067
2015	35524.6125385302
2016	35773.0477242134
2017	36623.8742292502