1982  1    1.32
1982  2    0.03
1982  3   16.58
1982  4  156.17
1982  5   52.18
1982  6    5.62
1982  7    4.22
1982  8    2.40
1982  9   29.43
1982 10  191.78
1982 11  310.47
1983 12  168.50
1983  1    9.27
1983  2   25.23
1983  3   41.58
1983  4   66.50
1983  5   22.72
1983  6    2.68
1983  7    8.88
1983  8    0.28
1983  9   14.62
1983 10   29.26
1983 11   28.05
1984 12   98.50
1984  1   16.87
1984  2    0.12
1984  3    4.90
1984  4   60.59
1984  5    5.39
1984  6    5.74
1984  7    9.34
1984  8    0.45
1984  9    4.81
1984 10   99.23
1984 11  286.62
1985 12   88.31
1985  1   11.04
1985  2   31.77
1985  3   36.13
1985  4  124.76
1985  5   29.48
1985  6    2.91
1985  7    7.86
1985  8    9.91
1985  9    5.20
1985 10   50.23
1985 11   96.67
1986 12   67.88
1986  1    8.27
1986  2    0.01
1986  3   38.54
1986  4  164.08
1986  5   49.00
1986  6    4.82
1986  7    3.90
1986  8    7.48
1986  9    1.74
1986 10   28.44
1986 11  263.66
1987 12  149.91
1987  1    9.97
1987  2    0.00
1987  3   13.57
1987  4   95.15
1987  5   35.67
1987  6   11.72
1987  7    9.75
1987  8   41.23
1987  9    2.18
1987 10    2.35
1987 11  107.68
1988 12   14.80
1988  1   54.59
1988  2    0.16
1988  3  139.10
1988  4  160.34
1988  5   10.43
1988  6   22.67
1988  7    1.86
1988  8    7.31
1988  9   18.57
1988 10   12.77
1988 11  214.53
1989 12  213.21
1989  1   50.59
1989  2    4.28
1989  3   27.61
1989  4  256.31
1989  5   24.76
1989  6    3.01
1989  7    1.83
1989  8    1.06
1989  9    9.71
1989 10  146.66
1989 11  299.67
1990 12  112.90
1990  1   50.16
1990  2   44.64
1990  3  179.60
1990  4  180.23
1990  5   40.34
1990  6    3.51
1990  7    5.19
1990  8    0.60
1990  9   11.19
1990 10   50.53
1990 11  202.94
1991 12  144.93
1991  1    8.35
1991  2    0.42
1991  3   62.25
1991  4  107.96
1991  5   43.40
1991  6    1.82
1991  7   34.52
1991  8   23.98
1991  9    4.55
1991 10   15.92
1991 11  145.65
1992 12   98.05