Year	constant 2010 US$
1970	20992.7859550898
1971	21313.7474752376
1972	22095.3639040718
1973	23225.8366735239
1974	21999.1441199757
1975	21685.1018635084
1976	22476.8797033316
1977	23232.9459687152
1978	24191.1618192817
1979	23743.6146148319
1980	22945.3901489925
1981	23703.8200987428
1982	23683.2356095402
1983	24266.3347067632
1984	26007.3901020832
1985	26873.6834977418
1986	27580.0851848632
1987	28362.0255816137
1988	29743.7312850007
1989	30115.7167981767
1990	30140.0237245715
1991	29873.7676567454
1992	30487.7998596597
1993	30786.5325143992
1994	31792.7438034195
1995	32444.187373333
1996	33495.8348469121
1997	34882.9936460665
1998	36528.7606316715
1999	37616.6399886675
2000	38538.5204989774
2001	38892.7841354161
2002	39061.4291094944
2003	39656.6229337975
2004	40749.8890852378
2005	41392.3453373667
2006	42450.3929318136
2007	42267.5306340849
2008	40855.1514290339
2009	39973.5728051656
2010	40911.9571730115
2011	41544.5126275933
2012	43003.3162135364
2013	43256.3297784127
2014	44493.5687921308
2015	45573.1256739598
2016	45500.7146330951
2017	46491.6088282573