Year 2010 = 100 1960 83.4008097165992 1961 84.2105263157895 1962 81.7813765182186 1963 84.2105263157895 1964 86.1673414304993 1965 86.774628879892 1966 88.7989203778677 1967 93.0499325236167 1968 92.0377867746289 1969 97.0310391363023 1970 100 1971 102.699055330634