Year	2010 = 100
1960	63.4266379571314
1961	62.9960012305844
1962	61.5195324517426
1963	66.4308417920633
1964	67.7483851121739
1965	65.6464677533548
1966	65.3388700909936
1967	70.1220137390653
1968	66.8153388700404
1969	68.5635189170057
1970	75.2127550497033
1971	80.0266584641034
1972	76.9404285858514
1973	80.4983082127463
1974	90.5721316517704
1975	100
1976	111.206808161421
1977	118.62503844956
