1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 | 42.84 52.54 70.69 79.57 72.15 58.39 68.10 72.66 72.66 89.17 | -38.80 22.64 34.55 12.56 -9.33 -19.07 16.63 6.70 0 22.72 | 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 | 68.95 71.72 75.83 74.24 84.18 71.30 71.65 76.42 72.88 84.79 | 4.52 4.02 5.73 -2.10 13.39 -15.30 0.49 6.66 -4.63 16.34 |