Year	constant 2010 US$
1970	18034.8841464495
1971	18069.3834096512
1972	18862.3645214446
1973	19849.0939903145
1974	20014.2863177616
1975	20553.2638989139
1976	20592.4145341723
1977	20662.238712568
1978	20801.2035260804
1979	20948.4511428183
1980	21447.941594986
1981	22129.0799033721
1982	22222.5762014718
1983	22109.0960986411
1984	22808.7470455514
1985	22946.2280311787
1986	23195.6006107089
1987	23282.3765250063
1988	24557.8922572584
1989	25332.4731779644
1990	25318.2494272135
1991	24909.4056768626
1992	24650.1784058065
1993	25552.6767563408
1994	26359.2805728455
1995	26924.7071483769
1996	27889.7895902944
1997	28859.7356640705
1998	29877.1807449275
1999	30741.6115854005
2000	31393.2048830012
2001	32048.7143982971
2002	33090.0499395636
2003	33815.188190176
2004	35155.8323219972
2005	35517.6844593912
2006	36228.3666996849
2007	37436.0684406846
2008	38538.1856648834
2009	40044.3106781856
2010	39980.7729946189
2011	41769.6568938485
2012	43330.3126963976
2013	42732.5864026228
2014	42542.7098606102
2015	42059.7465629674
2016	41553.0109316002
2017	42709.0699644761