1948 12 18.87  11.60  15.24 
1949 01 19.19  12.28  15.73 
1949 02 19.76  12.85  16.30 
1949 03 20.57  11.63  16.10 
1949 04 23.33  16.70  20.02 
1949 05 28.95  19.58  24.26 
1949 06 30.69  22.90  26.79 
1949 07 31.03  23.76  27.39 
1949 08 32.41  24.35  28.38 
1949 09 29.46  22.63  26.04 
1949 10 27.89  20.86  24.37 
1949 11 20.86 -99.99 -99.99 
1949 12 18.85  10.84  14.84 
1950 01 22.16  15.67  18.91 
1950 02 20.73  12.54  16.63 
1950 03 18.71  10.69  14.70 
1950 04 21.92  14.49  18.20 
1950 05 28.86  21.70  25.28 
1950 06 31.06  24.02  27.54 
1950 07 30.70  23.42  27.06 
1950 08 31.74  23.71  27.72 
1950 09 29.52  22.24  25.88 
1950 10 26.70 -99.99 -99.99 
1950 11 19.70   9.32  14.51 
1950 12 15.90   6.72  11.31 
1951 01 17.37   8.24  12.80 
1951 02 17.49   8.72  13.10 
1951 03 20.68  12.48  16.58 
1951 04 22.65  14.15  18.40 
1951 05 27.76  19.32  23.54 
1951 06 30.92  23.58  27.25 
1951 07 32.36  25.17  28.76 
1951 08 34.06  26.52  30.29 
1951 09 30.71  23.74  27.22 
1951 10 27.49 -99.99 -99.99 
1951 11 19.12   9.43  14.28 
1951 12 19.36  10.98  15.17 
1952 01 19.28  12.21  15.74 
1952 02 99.99  11.71 -99.99 
1952 03 19.04  11.87  15.45 
1952 04 22.57  15.61  19.09 
1952 05 27.94  21.12  24.53 
1952 06 32.71  25.99  29.34 
1952 07 31.94  25.45  28.69 
1952 08 31.81  25.20  28.50 
1952 09 28.71  22.19  25.45 
1952 10 23.35  15.14  19.24 
1952 11 19.53  12.60  16.06 
1952 12 16.65   9.79  13.21 
1953 01 17.32   9.72  13.52 
1953 02 17.11  10.49  13.80 
1953 03 21.70  14.71  18.20 
1953 04 23.20  15.79  19.49 
1953 05 28.74  23.15  25.94 
1953 06 31.96  25.12  28.54 
1953 07 30.99  25.07  28.03 
1953 08 30.77  24.55  27.66 
1953 09 29.53  21.91  25.72 
1953 10 26.31  18.79  22.55 
1953 11 19.98  12.98  16.48 
1953 12 16.56   8.33  12.44 
1954 01 16.84   9.07  12.95 
1954 02 19.18  10.66  14.92 
1954 03 18.98  11.62  15.29 
1954 04 25.36  18.45  21.90 
1954 05 26.43  19.14  22.78 
1954 06 31.21  23.98  27.59 
1954 07 32.09  25.32  28.71 
1954 08 33.36  26.06  29.71 
1954 09 31.62  23.48  27.55 
1954 10 26.41  19.09  22.75 
1954 11 19.45  11.70  15.57 
1954 12 16.53   8.77  12.65 
1955 01 16.00   8.21  12.10 
1955 02 17.20  10.73  13.96 
1955 03 22.60  14.46  18.53 
1955 04 24.80  18.31  21.55 
1955 05 28.79  22.56  25.67 
1955 06 30.13  23.07  26.59 
1955 07 30.86  24.57  27.71 
1955 08 31.45  25.24  28.34 
1955 09 30.28  24.01  27.14 
1955 10 25.54  17.73  21.63 
1955 11 20.20  11.85  16.02 
1955 12 16.20   9.26  12.73 
1956 01 14.10   6.45  10.27 
1956 02 18.62  11.81  15.21 
1956 03 19.70  12.54  16.12 
1956 04 23.00  15.86  19.43 
1956 05 28.39  22.17  25.28 
1956 06 29.89  22.81  26.34 
1956 07 30.40  23.82  27.11 
1956 08 31.77  24.95  28.36 
1956 09 28.99  22.02  25.50 
1956 10 26.19  19.14  22.66 
1956 11 20.15  12.28  16.21 
1956 12 19.91  12.93  16.42 
1957 01 18.29  10.93  14.61 
1957 02 20.68  14.02  17.35 
1957 03 19.76  12.51  16.13 
1957 04 23.51  16.98  20.24 
1957 05 28.13  21.97  25.05 
1957 06 31.12  24.60  27.86 
1957 07 32.45  25.25  28.85 
1957 08 31.30  24.69  27.99 
1957 09 28.39  22.44  25.41 
1957 10 22.92  16.31  19.61 
1957 11 20.26  13.29  16.77 
1957 12 17.01   9.39  13.20 
1958 01 12.80   5.25   9.02 
1958 02 12.38   4.07   8.22 
1958 03 17.71  10.96  14.34 
1958 04 22.39  16.62  19.50 
1958 05 27.45  21.11  24.28 
1958 06 30.31  24.08  27.19 
1958 07 30.91  24.61  27.76 
1958 08 31.15  25.06  28.10 
1958 09 30.12  23.32  26.72 
1958 10 24.56  17.71  21.14 
1958 11 21.34  14.67  18.00 
1958 12 14.59   8.10  11.35 
1959 01 14.69   5.92  10.30 
1959 02 17.33  10.31  13.82 
1959 03 18.15  11.36  14.75 
1959 04 22.78  15.97  19.37 
1959 05 28.53  21.82  25.17 
1959 06 30.03  24.03  27.03 
1959 07 31.28  24.53  27.90 
1959 08 31.53  24.69  28.11 
1959 09 30.05  23.52  26.78 
1959 10 25.79  20.07  22.93 
1959 11 20.52  11.33  15.92 
1959 12 16.24   9.45  12.84 
1960 01 14.39   7.55  10.97 
1960 02 14.22   7.53  10.87 
1960 03 15.72   9.41  12.56 
1960 04 23.27  16.78  20.02 
1960 05 25.72  19.26  22.49 
1960 06 31.57  24.37  27.97 
1960 07 32.87  25.34  29.10 
1960 08 31.34  24.89  28.11 
1960 09 29.56  23.14  26.34 
1960 10 26.79  19.79  23.29 
1960 11 21.57  15.24  18.40 
1960 12 15.35   8.07  11.71 
1961 01 12.56   6.06   9.31 
1961 02 17.76  11.44  14.60 
1961 03 20.37  14.27  17.32 
1961 04 21.72  14.85  18.28 
1961 05 26.41  20.04  23.23 
1961 06 29.15  23.03  26.09 
1961 07 31.09  24.14  27.61 
1961 08 30.40  23.98  27.18 
1961 09 29.60  23.31  26.45 
1961 10 24.83  17.50  21.16 
1961 11 20.97  13.72  17.34 
1961 12 18.11  10.69  14.40 
1962 01 14.48   6.18  10.33 
1962 02 19.58  12.84  16.20 
1962 03 17.86  10.48  14.17 
1962 04 22.50  15.41  18.95 
1962 05 29.49  22.53  26.01 
1962 06 30.60  23.61  27.10 
1962 07 32.66  25.90  29.28 
1962 08 32.31  25.92  29.11 
1962 09 30.43  23.54  26.98 
1962 10 26.81  19.70  23.25 
1962 11 18.52  11.84  15.18 
1962 12 15.05   8.37  11.71 
1963 01 13.22   5.21   9.21 
1963 02 13.41   5.38   9.39 
1963 03 20.03  12.95  16.49 
1963 04 24.91  18.27  21.59 
1963 05 28.60  21.66  25.13 
1963 06 30.81  24.12  27.46 
1963 07 31.12  24.38  27.75 
1963 08 32.15  25.44  28.79 
1963 09 29.63  22.85  26.24 
1963 10 26.73  19.29  23.01 
1963 11 20.15  13.08  16.61 
1963 12 12.81   5.08   8.94 
1964 01 14.09   6.73  10.41 
1964 02 13.65   7.21  10.43 
1964 03 18.70  11.99  15.35 
1964 04 23.29  17.67  20.48 
1964 05 27.57  21.13  24.34 
1964 06 30.80  24.33  27.56 
1964 07 30.95  24.25  27.60 
1964 08 31.36  24.84  28.10 
1964 09 29.07  23.44  26.25 
1964 10 23.26  16.33  19.79 
1964 11 22.01  15.13  18.57 
1964 12 17.27   9.93  13.60 
1965 01 17.15   8.99  13.07 
1965 02 15.87   8.57  12.21 
1965 03 17.15  10.75  13.95 
1965 05 28.21  21.52  24.86 
1965 06 29.66  22.71  26.18 
1965 07 30.55  24.20  27.37 
1965 08 30.36  24.28  27.32 
1965 09 29.13  23.56  26.34 
1965 10 24.04  18.15  21.09 
1965 11 22.67  15.47  19.07 
1965 12 17.08  10.29  13.68 
1966 01 13.48   6.65  10.06 
1966 02 15.65   8.68  12.16 
1966 03 18.44  11.58  15.01 
1966 04 23.01  17.03  20.02 
1966 05 26.93  21.01  23.97 
1966 06 29.16  22.14  25.65 
1966 07 31.32  25.10  28.21 
1966 08 30.22  24.16  27.18 
1966 09 29.26  23.25  26.25 
1966 10 24.34  16.40  20.36 
1966 11 20.72  13.28  17.00 
1967 01 16.18   8.37  12.27 
1967 02 16.69   7.76  12.22 
1967 03 21.97  13.30  17.63 
1967 04 26.39  19.84  23.11 
1967 05 27.16  20.04  23.60 
1967 06 30.59  24.27  27.43 
1967 07 30.73  23.75  27.24 
1967 08 30.49  23.58  27.03 
1967 09 28.01  20.57  24.29 
1967 10 25.70  16.15  20.92 
1967 11 20.89  11.72  16.30 
1967 12 19.19  11.72  15.45 
1968 01 15.40   6.38  10.89 
1968 02 14.16   5.12   9.63 
1968 03 18.48  10.14  14.31 
1968 04 24.79  17.68  21.23 
1968 05 27.45  19.95  23.70 
1968 06 32.27  24.54  28.40 
1968 07 32.33  24.24  28.28 
1968 08 32.50  24.12  28.31 
1968 09 30.21  22.52  26.36 
1968 10 27.34  17.59  22.46 
1968 11 19.95  10.80  15.37 
1968 12 16.75   7.67  12.21 
1969 01 15.88   7.79  11.83 
1969 02 16.52   7.93  12.22 
1969 03 17.01   8.75  12.88 
1969 05 27.47  20.21  23.84 
1969 06 31.75  24.23  27.99 
1969 07 31.79  24.58  28.18 
1969 08 31.21  24.14  27.67 
1970 12 14.74   5.91  10.32 
1971 01 11.87   1.85   6.86 
1971 02 16.91   5.30  11.10 
1971 03 20.20  10.65  15.42 
1971 04 24.19  16.40  20.29 
1971 05 27.49  19.45  23.47 
1971 06 31.36  24.30  27.83 
1971 07 32.16  24.78  28.47 
1971 08 31.88  24.23  28.05 
1971 09 29.82  22.34  26.08 
1972 01 17.92   9.58  13.75 
1972 02 16.84   9.24  13.04 
1972 03 21.73  13.72  17.72 
1972 04 24.95  18.27  21.61 
1972 05 27.33  20.37  23.85 
1972 06 30.11  23.72  26.91 
1972 07 31.47  24.08  27.77 
1972 09 31.89  24.68  28.28 
1972 10 26.43  18.36  22.39 
1972 11 19.11  11.25  15.18 
1973 03 20.04  14.77  17.41 
1973 08 32.15  24.16  28.15 
1973 09 29.93  22.96  26.44 
1973 12 18.23   7.62  12.92 
1974 01 21.34  12.63  16.98 
1974 02 18.45   7.34  12.89 
1974 04 24.42  16.92  20.67 
1974 05 28.62  21.41  25.01 
1974 06 31.19  23.02  27.10 
1974 07 33.36  23.50  28.43 
1974 08 32.47  24.35  28.41 
1974 09 30.24  21.60  25.92 
1974 10 25.38  15.71  20.54 
1975 01 17.59   8.93  13.26 
1975 02 20.53  12.57  16.54 
1975 03 20.20  10.93  15.56 
1975 04 23.17  14.19  18.68 
1975 05 30.01  22.37  26.19 
1975 06 32.02  24.42  28.22 
1975 07 32.66  23.70  28.18 
