Year	constant 2010 US$
1970	10655.0085866516
1971	11161.5079957216
1972	11632.1893426632
1973	12191.457345998
1974	12437.980775346
1975	12601.1269242028
1976	13217.4046601064
1977	13493.7482835516
1978	13960.3291640376
1979	14374.4653090322
1980	14481.218074743
1981	14695.7768389878
1982	15096.2065188201
1983	15138.5389755957
1984	15151.9607406953
1985	15348.2183678532
1986	15820.0610594314
1987	16245.3534866544
1988	16690.4056575772
1989	17128.4249421076
1990	17484.5903973896
1991	17501.5546238127
1992	17610.5782973616
1993	17524.236853855
1994	17751.5915940479
1995	17992.1924355627
1996	18280.0338702775
1997	18313.5107419535
1998	18973.3655494898
1999	19529.8456439828
2000	20107.6242574273
2001	20464.5703331182
2002	20739.3269178377
2003	20898.7455085814
2004	21150.1899419407
2005	21498.8848618355
2006	21807.1070136673
2007	22244.2357123183
2008	22235.7688997184
2009	22189.0922341106
2010	22495.6303260877
2011	22525.3699893245
2012	22321.7558317567
2013	22320.2818429889
2014	22395.5432770717
2015	22632.1530345893
2016	22943.1955776646
2017	23260.9238367264
2018	23427.2230709716