Year	constant 2010 US$
1960	238.45720144845
1961	250.66329005114
1962	246.338182909811
1963	237.053689913314
1964	237.419487617619
1965	263.087026792205
1966	290.497866175143
1967	303.768964435789
1968	290.321545813227
1969	299.498302537355
1970	293.155214064983
1971	331.860079569615
1972	343.335254155574
1973	341.937570855811
1974	356.554651200069
1975	367.740210983502
1976	374.919194484077
1977	381.504585309102
1978	405.979561405909
1979	411.365803112026
1980	401.478374847977
1981	370.636781749044
1982	371.02797050549
1983	375.005408697546
1984	382.246959932896
1985	383.019574954199
1986	362.348942849561
1987	346.76399791215
1988	337.253398842255
1989	325.259999898179
1990	331.751029677091
1991	353.354813432066
1992	324.548985604369
1993	355.110732854073
1994	317.590281719903
1995	367.001610628692
1996	386.844592801651
1997	392.044870531303
1998	396.221252715127
1999	396.916552824584
2000	392.524584680197
2001	363.755173723256
2002	361.043545559542
2003	372.531249361403
2004	383.094188753926
2005	385.460830097058
2006	392.759998934441
2007	418.588218571652
2008	437.895476144955
2009	460.92468272226
2010	478.668589704525
2011	487.730681851429
2012	482.923781207912
2013	493.818369482748
2014	507.537974993908
2015	507.548405016318
2016	506.249661337383
2017	512.645612270701
2018	516.754055180455