Year	constant 2010 US$
1960	689.973468989954
1961	687.773074495057
1962	686.096120603026
1963	662.72089362074
1964	672.287301148053
1965	652.682597769497
1966	673.435620077402
1967	692.537118947219
1968	720.731447580768
1969	724.235184723335
1970	743.847772415846
1971	749.974546465276
1972	723.459680242697
1973	684.150333608448
1974	675.496585373521
1975	666.334050996279
1976	627.812420168001
1977	627.865942000752
1978	594.056291019293
1979	632.113517804422
1980	618.564961666592
1981	536.813884595078
1982	510.108360942667
1983	496.961660424488
1984	481.229544194053
1985	476.261474592168
1986	469.907705454982
1987	455.785512922085
1988	453.838036126333
1989	457.682484667589
1990	473.725678380049
1991	421.787003543089
1992	421.843730163454
1993	419.833698486792
1994	403.213235456516
1995	397.399472773867
1996	397.209599670856
1997	404.503027849953
1998	409.543702663456
1999	418.813397380114
2000	422.411279794207
2001	436.098431027453
2002	368.038624395619
2003	392.777307744865
2004	399.626379787272
2005	407.580789242888
2006	416.249818913123
2007	432.509265124099
2008	451.234556571197
2009	419.062102770014
2010	408.332678713257
2011	400.943986370927
2012	395.051744128245
2013	393.230476224613
2014	396.792773658831
2015	394.138670715581
2016	398.76753676997