13077700 1960 2.30 1.93 1.59 1.64 1.60 2.15 5.68 14.4 13.6 2.85 1.74 1.47 13077700 1961 1.54 1.48 1.45 1.32 1.37 1.39 2.30 9.47 8.18 1.98 1.40 1.69 13077700 1962 1.79 1.69 1.43 1.30 1.97 1.81 10.5 23.0 35.8 8.16 2.79 2.05 13077700 1963 2.22 2.19 2.08 1.62 1.49 1.61 2.26 18.4 39.8 8.50 3.45 2.79 13077700 1964 2.34 2.47 2.17 1.97 1.81 1.85 3.16 21.4 38.1 9.19 3.31 2.75 13077700 1965 2.57 2.32 2.51 2.57 2.34 2.22 6.94 22.7 57.0 18.8 5.41 3.83 13077700 1966 3.25 2.91 2.75 2.52 2.24 2.67 6.07 26.9 11.1 3.49 2.23 2.16 13077700 1967 2.24 2.12 1.82 1.62 1.62 1.86 2.12 20.0 45.8 12.3 4.15 2.90 13077700 1968 2.84 2.48 2.12 1.94 1.89 2.04 2.38 9.51 19.8 4.21 3.74 2.83 13077700 1969 2.40 2.28 1.98 1.74 1.80 2.36 11.8 53.7 32.5 12.4 4.72 3.27 13077700 1970 3.15 2.36 2.14 2.10 2.13 2.21 3.36 22.5 43.0 10.8 4.43 3.07 13077700 1971 2.97 2.75 2.70 2.75 2.52 2.57 5.61 30.2 60.1 14.8 5.08 3.68 13077700 1972 3.61 2.98 2.50 2.72 2.72 3.76 4.19 15.4 28.0 5.70 2.63 2.60 13077700 1973 2.72 2.31 2.19 2.21 2.05 2.25 6.70 36.8 29.0 8.40 3.45 2.80 13077700 1974 3.76 3.18 1.97 1.81 1.49 2.06 5.65 23.0 24.0 5.35 2.58 1.77 13077700 1975 1.89 1.99 1.66 1.63 1.74 1.73 2.30 22.1 63.7 26.3 4.02 4.28 13077700 1976 3.88 3.62 2.36 2.20 2.06 3.16 12.4 25.4 13.5 2.24 2.33 1.90 13077700 1977 2.05 1.85 1.48 1.58 2.09 2.45 3.52 5.34 16.0 4.71 3.16 2.79 13077700 1978 2.14 1.98 1.80 1.80 1.97 3.43 8.14 27.2 55.7 10.2 5.28 2.97 13077700 1979 2.63 2.36 1.86 1.79 1.80 1.84 3.92 22.1 16.1 4.17 2.87 2.18 13077700 1980 2.02 1.73 1.63 1.59 1.60 1.65 8.94 40.4 66.5 22.9 6.29 5.10 13077700 1981 4.53 2.97 2.65 2.16 2.02 1.89 8.90 20.8 21.5 4.02 2.85 2.38 13077700 1982 2.65 2.23 1.82 1.51 1.76 1.86 4.59 32.7 44.2 13.9 4.55 3.87 13077700 1983 4.21 3.34 2.76 2.46 2.37 3.29 4.95 47.9 92.3 21.6 7.78 5.07 13077700 1984 4.77 4.02 2.75 2.29 2.26 2.45 5.34 46.1 29.2 13.6 5.78 5.06 13077700 1985 4.79 3.27 2.80 2.34 2.18 2.18 7.90 25.2 13.4 3.78 2.53 3.12 13077700 1986 3.00 2.62 2.22 1.97 2.53 3.44 12.6 34.6 53.2 8.65 4.80 3.71 13077700 1987 3.44 3.02 2.45 2.24 2.40 2.07 8.52 22.4 10.7 4.01 2.80 2.31 13077700 1988 2.40 2.57 2.22 2.21 2.37 2.11 7.90 18.8 11.6 3.04 2.35 1.75