1976 1 1 0.99 1976 2 2 0.17 1976 3 3 2.82 1976 4 4 1.17 1976 5 5 0.74 1976 6 6 0.75 1976 7 7 0.11 1976 8 8 0.64 1976 9 9 1.08 1976 10 10 0.34 1976 11 11 0.23 1976 12 12 0.82 1977 1 13 0.98 1977 2 14 1.38 1977 3 15 0.28 1977 4 16 1.78 1977 5 17 1.07 1977 6 18 3.87 1977 7 19 2.14 1977 8 20 1.99 1977 9 21 6.77 1977 10 22 4.57 1977 11 23 2.67 1977 12 24 5.99 1978 1 25 5.88 1978 2 26 15.00 1978 3 27 7.58 1978 4 28 12.34 1978 5 29 11.37 1978 6 30 9.40 1978 7 31 13.69 1978 8 32 5.42 1978 9 33 12.32 1978 10 34 9.00 1978 11 35 7.22 1978 12 36 14.68 1979 1 37 15.38 1979 2 38 18.64 1979 3 39 15.00 1979 4 40 13.61 1979 5 41 14.43 1979 6 42 15.96 1979 7 43 14.46 1979 8 44 17.86 1979 9 45 18.06 1979 10 46 19.15 1979 11 47 17.61 1979 12 48 14.77 1980 1 49 17.06 1980 2 50 14.66 1980 3 51 9.89 1980 4 52 19.61 1980 5 53 13.60 1980 6 54 18.17 1980 7 55 13.74 1980 8 56 15.65 1980 9 57 16.26 1980 10 58 18.16 1980 11 59 30.73 1980 12 60 16.07 1981 1 61 9.59 1981 2 62 16.66 1981 3 63 18.57 1981 4 64 28.27 1981 5 65 15.19 1981 6 66 12.78 1981 7 67 19.18 1981 8 68 20.45 1981 9 69 14.25 1981 10 70 19.72 1981 11 71 14.98 1981 12 72 12.34 1982 1 73 16.53 1982 2 74 21.12 1982 3 75 17.90 1982 4 76 10.52 1982 5 77 11.17 1982 6 78 24.35 1982 7 79 20.79 1982 8 80 16.09 1982 9 81 17.67 1982 10 82 11.03 1982 11 83 14.67 1982 12 84 25.30 1983 1 85 6.13 1983 2 86 5.20 1983 3 87 6.11 1983 4 88 7.07 1983 5 89 12.51 1983 6 90 11.32 1983 7 91 8.29 1983 8 92 9.35 1983 9 93 5.32 1983 10 94 6.62 1983 11 95 1.75 1983 12 96 2.89 1984 1 97 6.48 1984 2 98 11.49 1984 3 99 7.20 1984 4 100 12.81 1984 5 101 10.82 1984 6 102 3.63 1984 7 103 2.46 1984 8 104 2.74 1984 9 105 1.12 1984 10 106 0.43 1984 11 107 2.76 1984 12 108 2.01 1985 1 109 3.53 1985 2 110 0.47 1985 3 111 0.59 1985 4 112 3.65 1985 5 113 2.99 1985 6 114 1.98 1985 7 115 3.24 1985 8 116 0.76 1985 9 117 0.45 1985 10 118 2.20 1985 11 119 0.45 1985 12 120 1.08