1976 1 1 0.92 1976 2 2 0.12 1976 3 3 1.80 1976 4 4 0.77 1976 5 5 0.55 1976 6 6 0.22 1976 7 7 0.00 1976 8 8 0.29 1976 9 9 0.44 1976 10 10 0.16 1976 11 11 0.00 1976 12 12 0.49 1977 1 13 0.51 1977 2 14 0.60 1977 3 15 0.09 1977 4 16 1.70 1977 5 17 0.20 1977 6 18 2.06 1977 7 19 0.65 1977 8 20 0.48 1977 9 21 1.25 1977 10 22 1.09 1977 11 23 0.89 1977 12 24 4.55 1978 1 25 3.81 1978 2 26 1.25 1978 3 27 2.48 1978 4 28 1.22 1978 5 29 1.77 1978 6 30 2.24 1978 7 31 2.85 1978 8 32 2.98 1978 9 33 4.31 1978 10 34 5.95 1978 11 35 3.06 1978 12 36 11.65 1979 1 37 7.88 1979 2 38 5.17 1979 3 39 7.38 1979 4 40 5.17 1979 5 41 4.75 1979 6 42 4.76 1979 7 43 4.66 1979 8 44 6.13 1979 9 45 4.30 1979 10 46 5.16 1979 11 47 10.17 1979 12 48 10.60 1980 1 49 9.08 1980 2 50 8.59 1980 3 51 5.42 1980 4 52 8.89 1980 5 53 10.01 1980 6 54 13.52 1980 7 55 9.79 1980 8 56 6.71 1980 9 57 7.58 1980 10 58 8.81 1980 11 59 13.72 1980 12 60 7.86 1981 1 61 6.24 1981 2 62 7.29 1981 3 63 8.10 1981 4 64 3.30 1981 5 65 2.05 1981 6 66 5.47 1981 7 67 13.58 1981 8 68 15.30 1981 9 69 5.72 1981 10 70 15.62 1981 11 71 8.59 1981 12 72 5.24 1982 1 73 8.34 1982 2 74 14.74 1982 3 75 7.94 1982 4 76 4.64 1982 5 77 6.54 1982 6 78 9.49 1982 7 79 3.20 1982 8 80 6.10 1982 9 81 6.02 1982 10 82 4.98 1982 11 83 12.32 1982 12 84 12.97 1983 1 85 4.41 1983 2 86 4.91 1983 3 87 5.53 1983 4 88 6.35 1983 5 89 9.84 1983 6 90 8.85 1983 7 91 6.61 1983 8 92 8.07 1983 9 93 4.38 1983 10 94 1.95 1983 11 95 1.54 1983 12 96 2.26 1984 1 97 2.89 1984 2 98 6.04 1984 3 99 4.73 1984 4 100 9.67 1984 5 101 7.04 1984 6 102 2.77 1984 7 103 1.85 1984 8 104 1.51 1984 9 105 0.67 1984 10 106 0.21 1984 11 107 1.62 1984 12 108 1.52 1985 1 109 2.99 1985 2 110 0.18 1985 3 111 0.27 1985 4 112 0.82 1985 5 113 1.37 1985 6 114 1.55 1985 7 115 2.87 1985 8 116 0.51 1985 9 117 0.40 1985 10 118 0.10 1985 11 119 0.29 1985 12 120 0.55