1961 01   0.46  -8.87  -4.20 
1961 02   2.26  -8.64  -3.19 
1961 03   6.86  -3.30   1.78 
1961 04  10.96  -3.11   3.92 
1961 05  19.45   6.45  12.95 
1961 06  29.70  12.97  21.33 
1961 07  27.64  12.94  20.28 
1961 08  30.36  13.76  22.06 
1961 09  16.41   3.33   9.87 
1961 10  12.78  -0.08   6.35 
1961 11   3.00  -8.09  -2.54 
1961 12  -5.13 -16.48 -10.80 
1962 01  -2.85 -13.98  -8.41 
1962 02  -4.87 -14.16  -9.51 
1962 03   -.86 -10.86  -5.85 
1962 04  15.56   1.20   8.38 
1962 05  16.98   5.21  11.09 
1962 06  23.74   9.89  16.81 
1962 07  25.23  10.86  18.04 
1962 08  26.28  11.02  18.65 
1962 09  20.96   5.29  13.12 
1962 10  16.21   3.47   9.84 
1962 11   8.80  -1.91   3.44 
1962 12   1.81  -9.80  -3.99 
1963 01  -7.62 -19.77 -13.69 
1963 02   2.36  -6.68  -2.15 
1963 03   8.50  -2.52   2.99 
1963 05 -99.99   4.79 -99.99 
1963 06 -99.99   9.47 -99.99 
1963 07  27.07  11.10  19.08 
1963 08  26.85  10.79  18.82 
1963 09  25.58  10.07  17.82 
1963 10  19.23 -99.99 -99.99 
1963 11   5.68 -99.99 -99.99 
1964 07  27.97 -99.99 -99.99 
1964 08  25.10 -99.99 -99.99 
1964 09  16.10   3.99  10.04 
1964 10  17.34 -99.99 -99.99 
1964 11   4.13  -7.09  -1.48 
1964 12 -12.88 -22.20 -17.54 
1965 01  -8.80 -18.20 -13.50 
1965 02  -1.70 -12.74  -7.22 
1965 03  -2.58 -12.74  -7.66 
1965 04  10.61   0.16   5.38 
1965 05  18.85   4.11  11.48 
1965 06  21.68   9.50  15.59 
1965 07  27.17  12.78  19.97 
1965 08  26.72  13.15  19.93 
1965 09  12.04   1.76   6.90 
1965 10  18.95   4.06  11.50 
1965 11 -99.99  -8.89 -99.99 
1965 12 -99.99  -9.76 -99.99 
1966 01 -11.90 -22.81 -17.35 
1966 02  -2.57 -13.72  -8.14 
1966 03   7.18  -2.11   2.53 
1966 04   9.96  -2.36   3.79 
1966 05  19.54   5.87  12.70 
1966 06  21.59   8.74  15.16 
1966 07  27.78 -99.99 -99.99 
1966 08  26.06 -99.99 -99.99 
1966 09  25.65   9.59  17.61 
1966 10  14.18   0.17   7.17 
1966 11   0.88 -10.21  -4.66 
1966 12   0.80  -9.64  -4.42 
1967 01  -3.75 -15.58  -9.66 
1967 02   2.35  -8.80  -3.22 
1967 03   0.90  -9.31  -4.20 
1967 04   6.79 -99.99 -99.99 
1967 05  14.80   5.13   9.96 
1967 06  23.69  10.92  17.30 
1967 07  30.09 -99.99 -99.99 
1967 08  28.73  12.44  20.58 
1967 09  25.70   9.60  17.65 
1967 10  17.86   3.08  10.47 
1967 11   6.98  -5.54   0.72 
1967 12  -1.31 -12.17  -6.74 
1968 01  -4.17 -15.03  -9.60 
1968 02   2.00 -11.18  -4.59 
1968 03  11.11 -99.99 -99.99 
1968 04  11.85   -.98   5.43 
1968 05  17.04   4.04  10.54 
1968 06  23.26   9.80  16.53 
1968 07  26.61 -99.99 -99.99 
1968 08  23.38  10.07  16.72 
1968 09  20.00   6.77  13.38 
1968 10  13.35   0.11   6.73 
1968 11   6.01  -4.69   0.65 
1968 12  -6.46 -16.60 -11.53 
1969 01 -19.93 -29.53 -24.73 
1969 03   1.24 -10.70  -4.73 
1969 04  17.98 -99.99 -99.99 
1969 05  22.52   6.74  14.63 
1969 06  22.71   9.20  15.95 
1969 07  27.98  13.70  20.84 
1969 08  30.18 -99.99 -99.99 
1969 09  20.24   6.98  13.61 
1969 10   9.21  -2.89   3.16 
1969 11   8.93  -3.57   2.68 
1969 12   3.41  -6.92  -1.75 
1970 01  -8.63 -17.56 -13.09 
1970 02   3.18  -7.83  -2.32 
1970 03   4.78  -6.98  -1.09 
1970 04  10.74  -1.04   4.85 
1970 05  21.09   5.90  13.49 
1970 06  26.70  12.76  19.73 
1970 07  28.80  14.06  21.43 
1970 08  29.62  11.93  20.77 
1970 09  19.62   5.16  12.39 
1970 10  12.64  -2.18   5.23 
1970 11   2.11  -9.06  -3.47 
1970 12  -5.98 -17.91 -11.94 
1971 01  -6.50 -19.61 -13.05 
1971 02   0.80  -9.10  -4.15 
1971 03   3.02  -7.39  -2.18 
1971 04 -99.99   0.81 -99.99 
1971 05 -99.99   6.21 -99.99 
1971 06  23.77   9.50  16.63 
1971 07  27.94  10.71  19.32 
1971 08  32.71  14.51  23.61 
1971 09 -99.99   4.23 -99.99 
1971 10  16.56   1.32   8.93 
1971 11   4.98  -6.44   -.72 
1971 12  -5.97 -18.91 -12.44 
1972 01 -99.99 -19.62 -99.99 
1972 02  -5.80 -16.64 -11.21 
1972 03   5.66  -6.35   -.34 
1972 04  13.18   1.33   7.25 
1972 05  21.28   6.34  13.81 
1972 06  25.71  13.36  19.53 
1972 07  23.09   9.82  16.45 
1972 08  27.34  12.39  19.86 
1972 09  17.10   2.77   9.93 
1972 10  12.30  -2.20   5.05 
1972 11   4.79  -4.46   0.16 
1972 12  -6.14 -14.81 -10.47 
1973 01   3.34  -7.99  -2.32 
1973 02   0.97 -12.67  -5.85 
1973 03  13.19  -1.64   5.77 
1973 05  23.88   9.14  16.51 
1973 06  24.58  11.25  17.91 
1973 07  29.35  13.45  21.40 
1973 08  29.91  14.26  22.08 
1973 09  21.02   4.27  12.64 
1973 10  15.94   0.14   8.04 
1973 11   0.96 -10.03  -4.53 
1973 12   2.52  -7.73  -2.60 
1974 01  -4.98 -15.98 -10.48 
1974 02   3.61  -7.59  -1.99 
1974 03   5.68  -5.64   0.01 
1974 04  17.50   2.22   9.85 
1974 05  18.62   4.44  11.53 
1974 06  26.42  13.94  20.18 
1974 07  29.08  12.65  20.86 
1974 08  23.65  10.65  17.15 
1974 09  18.14   3.54  10.84 
1974 10  19.14   3.06  11.10 
1974 11   7.07  -6.31   0.38 
1974 12   3.93  -6.46  -1.26 
1975 01  -1.77 -12.55  -7.16 
1975 02  -7.64 -17.29 -12.46 
1975 03   0.95  -8.14  -3.60 
1975 04   5.96  -2.57   1.69 
1975 05  14.66   3.40   9.03 
1975 08  20.49  10.43  15.46 
1975 09  19.96   6.63  13.29 
1975 10  11.82   0.56   6.19 
1975 11   3.71  -5.98  -1.13 
1975 12  -4.03 -12.90  -8.46 
1976 01   -.73  -9.75  -5.24 
1976 02   4.13  -5.97   -.91 
1976 03   5.94 -99.99 -99.99 
