Year	constant 2010 US$
1967	340.694160737303
1968	348.766695543999
1969	344.766763472006
1970	360.534650285483
1971	363.955118465297
1972	378.774828378587
1973	366.776111917244
1974	354.807745218026
1975	389.09342306841
1976	434.431084908292
1977	454.058924938143
1978	439.631686960938
1979	476.591259375386
1980	447.374730484921
1981	445.048054850923
1982	403.622238372239
1983	402.447523845141
1984	393.48606103122
1985	465.029650681301
1986	470.286807359913
1987	463.262355981899
1988	490.841599325924
1989	503.617880242883
1990	482.124821573911
1991	527.171318885781
1992	497.82027403719
1993	500.225535853911
1994	505.358353089913
1995	496.670226061208
1996	518.0982099586
1997	529.300594796509
1998	554.748510261351
1999	570.816910509816
2000	554.652402640932
2001	621.476640049779
2002	621.735763659769
2003	657.720917371308
2004	647.115493818228
2005	667.469980410184
2006	675.950566330353
2007	676.603639507193
2008	685.689385390537
2009	694.743150532469
2010	709.581964584771
2011	710.606419349545
2012	684.16295019826
2013	679.909721917612
2014	706.981553968772
2015	727.461077910691
2016	747.09165646389
2017	764.169157080828
2018	777.860597486563