1958 03 18.78   7.02  12.90 
1958 04 26.13  13.15  19.64 
1958 05 29.48  17.35  23.41 
1958 06 33.24  20.70  26.97 
1958 07 33.95  21.76  27.85 
1958 08 33.59  20.60  27.09 
1958 09 31.56  20.65  26.10 
1958 10 26.20  12.81  19.50 
1958 11 21.89   8.97  15.43 
1958 12 15.57   2.29   8.93 
1959 01 14.94    .56   7.75 
1959 02 16.56   6.37  11.46 
1959 03 20.70   6.15  13.42 
1959 04 24.60  11.84  18.22 
1959 05 30.55  17.56  24.05 
1959 06 32.00  20.39  26.19 
1959 07 33.14  20.90  27.02 
1959 08 33.33  21.39  27.36 
1959 09 30.88  19.45  25.16 
1959 10 26.42  16.23  21.32 
1959 11 19.21   5.83  12.52 
1959 12 17.07   3.50  10.28 
1960 01 13.79   2.96   8.37 
1960 02 13.72   2.02   7.87 
1960 03 17.70   5.04  11.37 
1960 04 26.65  12.35  19.50 
1960 05 28.98  14.43  21.70 
1960 06 34.80  19.09  26.94 
1960 07 36.40  21.53  28.96 
1960 08 32.05  21.51  26.78 
1960 09 31.74  18.95  25.34 
1960 10 27.42  13.78  20.60 
1960 12 14.61   2.38   8.49 
1961 01 12.20    .19   6.19 
1961 02 19.40   5.78  12.59 
1961 03 23.07   9.83  16.45 
1961 05 29.50  14.55  22.02 
1961 08 32.83  19.73  26.28 
1961 12 99.99   4.51 -99.99 
1962 01 14.88   1.22   8.05 
1962 02 23.48   8.75  16.11 
1962 03 20.04   5.50  12.77 
1962 04 24.66  10.84  17.75 
1962 05 32.34  15.78  24.06 
1962 06 32.25  19.28  25.77 
1962 07 36.20  21.55  28.87 
1962 08 35.98  21.38  28.68 
1962 09 33.03  18.70  25.87 
1962 10 28.89  13.26  21.07 
1962 11 20.26   5.76  13.01 
1962 12 16.79   1.67   9.23 
1963 01 13.39   -.80   6.29 
1963 08 34.72  20.45  27.58 
1963 11 21.95   6.37  14.16 
1963 12 12.91  -1.35   5.78 
1964 01 15.51   1.24   8.37 
1964 02 15.82   1.33   8.57 
1964 03 21.39   6.63  14.01 
1964 04 26.55  14.42  20.48 
1964 05 29.85  16.61  23.23 
1964 06 28.80  18.95  23.87 
1964 07 31.52  20.85  26.18 
1964 09 32.34  18.26  25.30 
1964 10 26.06   9.28  17.67 
1964 11 23.28   8.95  16.11 
1964 12 17.40   4.44  10.92 
1965 01 18.84   3.24  11.04 
1965 02 17.59   3.79  10.69 
1965 03 20.00   6.28  13.14 
1965 04 99.99  14.61 -99.99 
1965 05 31.32  16.75  24.03 
1965 06 99.99  18.68 -99.99 
1965 07 99.99  20.48 -99.99 
1965 08 33.88  20.27  27.07 
1965 09 32.22  19.61  25.91 
1965 10 27.87  11.76  19.81 
1965 11 23.86  10.55  17.20 
1965 12 17.86   3.15  10.50 
1966 01 12.47   1.75   7.11 
1966 02 15.18   3.49   9.33 
1966 03 20.75   6.94  13.84 
1966 04 25.62  13.11  19.36 
1966 05 28.61  17.91  23.26 
1966 06 31.52  18.35  24.93 
1966 07 34.36  21.68  28.02 
1966 08 32.30  20.37  26.33 
1966 09 31.03  18.31  24.67 
1966 10 25.07  10.81  17.94 
1966 11 22.52   8.08  15.30 
1966 12 16.34   3.71  10.02 
1967 01 15.13   2.78   8.95 
1967 02 16.33   2.53   9.43 
1967 03 24.51   9.18  16.84 
1967 04 28.35  14.65  21.50 
1967 05 28.05  15.29  21.67 
1967 06 32.90  19.64  26.27 
1967 07 31.99  19.41  25.70 
1967 08 31.88  19.91  25.89 
1967 09 28.84  16.19  22.51 
1967 10 26.71   7.46  17.08 
1967 11 21.78   5.40  13.59 
1967 12 18.19   6.33  12.26 
1968 01 15.25   1.96   8.60 
1968 02 13.90   -.64   6.62 
1968 03 19.34   5.28  12.31 
1968 04 26.06  13.28  19.67 
1968 05 29.43  15.21  22.32 
1968 06 33.46  18.40  25.93 
1968 07 33.32  18.48  25.90 
1968 08 33.54  18.12  25.83 
1968 09 30.51  14.28  22.39 
1968 10 28.46  12.23  20.34 
1968 11 19.46   4.21  11.84 
1968 12 15.58   1.73   8.65 
1969 01 16.04   3.68   9.86 
1969 02 17.21   3.81  10.51 
1969 03 18.10   3.44  10.77 
1969 04 25.90  13.22  19.56 
1969 05 29.28  15.33  22.30 
1969 06 33.93  18.98  26.45 
1969 07 34.50  21.39  27.94 
1969 08 33.31  18.65  25.98 
1969 09 31.15  16.00  23.57 
1969 10 27.49  11.95  19.71 
1969 11 21.73   4.00  12.86 
1969 12 18.19   2.25  10.22 
1970 01 12.85    .45   6.65 
1970 02 17.31    .92   9.11 
1970 03 20.48   7.00  13.74 
1970 04 27.65  14.30  20.97 
1970 05 29.76  15.35  22.55 
1970 06 32.25  19.79  26.02 
1970 07 33.53  20.42  26.97 
1970 08 33.28  22.20  27.74 
1970 09 31.92  20.46  26.19 
1970 10 25.36  12.13  18.74 
1970 11 18.95   3.53  11.24 
1970 12 20.24   6.18  13.21 
1971 01 16.71   4.69  10.70 
1971 02 18.20   2.83  10.52 
1971 03 21.09   5.41  13.25 
1971 04 26.44   9.95  18.19 
1971 05 27.70  14.09  20.89 
1971 06 33.43  18.67  26.05 
1971 07 32.97  21.53  27.25 
1971 08 32.52  20.41  26.46 
1971 09 30.13  19.49  24.81 
1971 10 28.59  13.10  20.84 
1971 11 21.14   5.15  13.14 
1971 12 21.66  10.59  16.12 
1972 01 19.29   5.50  12.40 
1972 02 18.50   4.73  11.61 
1972 03 23.38   7.72  15.54 
1972 04 26.67  12.72  19.69 
1972 05 28.78  15.27  22.02 
1972 06 33.16  19.65  26.40 
1972 07 32.47  19.81  26.14 
1972 08 34.50  20.45  27.47 
1972 09 33.16  20.40  26.78 
1972 10 27.70  12.55  20.12 
1972 11 19.19   6.99  13.09 
1972 12 18.36   4.50  11.43 
1973 01 14.19 -99.99 -99.99 
1973 02 16.89   2.94   9.91 
1973 03 23.39  11.06  17.22 
1973 04 24.63  10.72  17.67 
1973 05 28.67  14.69  21.68 
1973 06 32.53  19.96  26.25 
1973 08 33.12  19.67  26.39 
1973 09 30.80  19.27  25.03 
1973 10 29.26  14.33  21.79 
1973 11 25.28 -99.99 -99.99 
1974 01 20.02   8.22  14.12 
1974 02 19.26   2.39  10.82 
1974 03 24.12  10.52  17.32 
1974 04 25.29  10.07  17.68 
1974 05 30.24  17.49  23.86 
1974 06 32.43  18.79  25.61 
1974 07 33.34  19.45  26.40 
1974 08 33.29  20.42  26.85 
1974 09 29.60  17.06  23.33 
1974 10 26.10   8.54  17.32 
1974 11 21.01   6.55  13.78 
1974 12 18.16   3.35  10.75 
1975 01 19.57   5.05  12.31 
1975 02 20.20   4.87  12.53 
1975 03 22.58   7.27  14.92 
1975 04 24.48  12.00  18.24 
1975 05 28.97  17.28  23.12 
1975 06 31.97  19.58  25.77 
1975 07 32.43  20.90  26.66 
1975 08 32.58  21.75  27.16 
1975 09 29.94  16.95  23.45 
1975 10 99.99  12.62 -99.99 
1975 11 22.02   7.69  14.85 
1975 12 17.11   2.21   9.66 
1976 02 21.00   7.06  14.03 
1976 03 99.99   8.64 -99.99 
1976 04 27.03 -99.99 -99.99 
1976 05 28.45  14.65  21.55 
1976 06 31.56  17.04  24.30 
1976 07 33.00  20.55  26.78 
1976 08 33.29  21.21  27.25 
1976 09 32.06  19.48  25.77 
1976 10 23.98   7.79  15.88 
1976 11 16.64   3.09   9.86 
1976 12 14.25    .86   7.55 
1977 01 10.30  -2.17   4.06 
1977 02 17.68   2.86  10.27 
1977 03 22.56   8.68  15.62 
