1953 01 18.24  13.17  15.70 
1953 02 19.69  14.04  16.86 
1953 03 21.24  15.75  18.49 
1953 04 21.53  16.17  18.85 
1953 05 24.53  19.79  22.16 
1953 06 30.26  25.28  27.77 
1953 07 30.92  26.18  28.55 
1953 08 30.75  25.96  28.35 
1953 09 29.86  24.89  27.37 
1953 10 27.83  22.54  25.18 
1953 11 24.64  20.19  22.41 
1953 12 22.27  17.37  19.82 
1954 01 20.65  15.84  18.24 
1954 02 19.57  13.97  16.77 
1954 03 20.34  15.00  17.67 
1954 04 24.48  19.39  21.93 
1954 05 27.90  22.75  25.32 
1954 06 29.30  24.43  26.86 
1954 07 30.96  25.96  28.46 
1954 08 30.39  25.67  28.03 
1954 09 29.61  24.49  27.05 
1954 10 26.72  21.13  23.92 
1954 11 23.96  19.25  21.60 
1954 12 20.07  15.54  17.80 
1955 01 17.52  12.15  14.83 
1955 02 20.21  13.90  17.06 
1955 03 22.98  17.67  20.32 
1955 04 24.59  19.54  22.06 
1955 05 25.76  20.92  23.34 
1955 06 29.12  24.78  26.95 
1955 07 30.14  25.24  27.68 
1955 08 30.10  24.85  27.47 
1955 09 30.81  25.19  28.00 
1955 10 26.61  21.24  23.92 
1955 11 22.83  17.35  20.09 
1955 12 21.29  15.27  18.28 
1956 01 17.64  12.85  15.24 
1956 02 17.90  12.59  15.24 
1956 03 21.30  16.09  18.69 
1956 04 23.94  19.00  21.47 
1956 05 27.21  22.15  24.68 
1956 06 30.32  25.45  27.88 
1956 07 32.16  26.85  29.50 
1956 08 31.01  25.67  28.34 
1956 09 29.99  24.74  27.36 
1956 10 27.58  22.53  25.05 
1956 11 22.83  17.95  20.39 
1956 12 19.23  14.84  17.03 
1957 01 19.51  14.18  16.84 
1957 02 18.23  13.00  15.61 
1957 03 19.60  13.94  16.77 
1957 04 23.84  19.19  21.51 
1957 05 26.49  21.43  23.96 
1957 06 28.21  23.62  25.91 
1957 07 32.30  26.82  29.56 
1957 08 31.17  26.00  28.58 
1957 09 29.91  24.97  27.43 
1957 10 26.45  20.75  23.60 
1957 11 24.60  18.95  21.78 
1957 12 20.84  15.69  18.26 
1958 01 19.27  14.05  16.66 
1958 02 18.87  13.87  16.37 
1958 03 20.85  15.56  18.20 
1958 04 24.83  19.48  22.15 
1958 05 26.27  20.86  23.56 
1958 06 27.86  22.22  25.04 
1958 07 30.72  25.61  28.16 
1958 08 31.77  25.92  28.84 
1958 09 30.50  25.50  28.00 
1958 10 27.33  22.34  24.83 
1958 11 23.87  18.70  21.29 
1958 12 21.81  16.25  19.02 
1959 01 18.37  12.95  15.66 
1959 02 22.09  16.81  19.45 
1959 03 22.14  16.74  19.43 
1959 04 23.49  17.49  20.49 
1959 05 26.87  21.16  24.01 
1959 06 28.54  23.79  26.16 
1959 07 31.70  26.24  28.97 
1959 08 30.78  26.05  28.41 
1959 09 30.00  25.17  27.58 
1959 10 26.48  21.69  24.08 
1959 11 24.36  19.25  21.80 
1959 12 21.32  16.39  18.85 
1960 01 18.95  14.05  16.50 
1960 02 19.79  14.08  16.93 
1960 03 22.28  17.21  19.75 
1960 04 22.76  17.53  20.14 
1960 05 26.15  20.42  23.28 
1960 06 28.31  23.99  26.15 
1960 07 30.65  26.33  28.49 
1960 08 29.51  25.47  27.49 
1960 09 29.98  25.33  27.65 
1960 10 27.57  22.14  24.85 
1960 11 24.73  19.25  21.99 
1960 12 19.66  14.84  17.25 
1961 01 18.09  12.61  15.35 
1961 02 17.45  12.51  14.98 
1961 03 21.05  16.16  18.60 
1961 04 23.43  18.21  20.82 
1961 05 26.90  21.69  24.29 
1961 06 29.98  25.34  27.66 
1961 07 30.48  25.37  27.92 
1961 08 30.59  25.09  27.84 
1961 09 30.10  24.17  27.13 
1961 10 27.70  22.18  24.94 
1961 11 24.71  18.11  21.41 
1961 12 20.35  14.75  17.54 
1962 01 17.18  12.17  14.67 
1962 02 19.32  11.90  15.61 
1962 03 19.51  13.04  16.27 
1962 04 22.44  15.58  19.01 
1962 05 26.99  21.96  24.47 
1962 06 29.02  24.29  26.65 
1962 07 31.39  26.31  28.84 
1962 08 30.96  25.79  28.37 
1962 09 30.86  25.09  27.97 
1962 10 27.27  21.83  24.55 
1962 11 23.76  18.76  21.26 
1962 12 20.15  13.33  16.74 
1963 01 14.13   8.67  11.40 
1963 02 15.79   9.38  12.58 
1963 03 20.04  12.74  16.39 
1963 04 23.70  17.17  20.43 
1963 05 28.65  22.54  25.59 
1963 06 29.13  23.98  26.55 
1963 07 31.07  25.26  28.16 
1963 08 30.64  25.04  27.84 
1963 09 29.70  24.40  27.05 
1963 10 26.58  19.78  23.18 
1963 11 24.62  17.12  20.87 
1963 12 20.41  14.33  17.36 
1964 01 19.43  12.96  16.19 
1964 02 18.57  12.59  15.58 
1964 03 20.62  14.33  17.47 
1964 04 26.94  21.40  24.17 
1964 05 26.01  21.39  23.70 
1964 06 27.37  22.69  25.03 
1964 07 30.29  25.21  27.75 
1964 08 29.67  24.72  27.19 
1964 09 30.60  24.53  27.56 
1964 10 27.60  22.40  25.00 
1964 11 22.98  16.78  19.88 
1964 12 20.55  14.73  17.64 
1965 01 19.43  12.46  15.94 
1965 02 19.12  13.28  16.20 
1965 03 19.25  12.90  16.07 
1965 04 23.06  16.94  20.00 
1965 05 24.96  19.32  22.14 
1965 06 28.34  23.92  26.13 
1965 07 31.50  26.18  28.84 
1965 08 29.91  24.42  27.16 
1965 09 28.76  22.94  25.85 
1965 10 25.31  19.10  22.20 
1965 11 24.53  19.03  21.78 
1965 12 20.51  14.11  17.31 
1966 01 18.70  12.96  15.83 
1966 02 21.01  14.09  17.54 
1966 03 22.81  16.64  19.72 
1966 04 24.88  19.52  22.20 
1966 05 26.19  20.88  23.53 
1966 06 28.30  23.92  26.11 
1966 07 31.02  26.12  28.57 
1966 08 31.36  26.52  28.94 
1966 09 29.49  24.14  26.81 
1966 10 26.92  19.49  23.20 
1966 11 24.67  19.19  21.93 
1966 12 21.38  16.62  19.00 
1967 01 18.45  12.18  15.32 
1967 02 19.08  12.76  15.92 
1967 03 22.13  15.09  18.61 
1967 04 26.01  20.16  23.08 
1967 05 26.69  21.43  24.06 
1967 06 27.93  23.52  25.72 
1967 07 30.88  25.98  28.43 
1967 08 30.77  24.79  27.78 
1967 09 29.07  22.88  25.97 
1967 10 26.22  19.90  23.06 
1967 11 24.53  18.92  21.72 
1967 12 17.29  11.55  14.42 
1968 01 17.81  11.09  14.45 
1968 02 15.74  10.16  12.95 
1968 03 19.64  12.62  16.12 
1968 04 22.83  15.73  19.27 
1968 05 25.29  19.11  22.20 
1968 06 26.39  21.50  23.94 
1968 07 29.43  25.28  27.35 
1968 08 31.15  26.44  28.79 
1968 09 30.51  24.30  27.40 
1968 10 26.49  21.16  23.82 
1968 11 24.16  17.44  20.80 
1968 12 22.62  15.93  19.27 
1969 01 21.27  15.70  18.48 
1969 02 20.24  14.55  17.39 
1969 03 20.11  13.91  17.01 
1969 04 24.37  18.16  21.26 
1969 05 26.20  21.31  23.75 
1969 06 26.98  22.24  24.61 
1969 07 31.26  26.15  28.70 
1969 08 29.78  24.61  27.19 
1969 09 30.09  24.74  27.41 
1969 10 26.05  20.16  23.10 
1969 12 19.20  12.30  15.75 
1970 01 16.74  11.40  14.07 
1970 02 19.36  11.59  15.47 
1970 03 18.08  13.14  15.61 
1970 04 22.46  16.79  19.62 
1970 05 27.14  20.85  23.99 
1970 06 29.50  24.25  26.87 
1970 07 31.52  26.02  28.77 
1970 08 31.58  26.76  29.17 
1970 09 29.15  24.08  26.61 
1970 10 26.69  21.58  24.13 
1970 11 22.79  16.35  19.57 
1970 12 19.92  14.16  17.04 
1971 01 15.83  10.00  12.91 
1971 02 17.36  10.90  14.13 
1971 03 19.66  12.35  16.00 
1971 04 22.56  17.25  19.90 
1971 05 25.47  19.23  22.34 
1971 06 30.18  25.09  27.63 
1971 07 32.57  26.68  29.62 
1971 08 30.82  25.35  28.08 
1971 09 30.55  25.74  28.14 
1971 10 27.24  22.52  24.88 
1971 11 24.33  17.89  21.11 
1971 12 21.24  15.43  18.33 
1972 01 20.75  14.68  17.71 
1972 02 18.74  13.92  16.33 
1972 03 20.48  13.44  16.95 
1972 04 22.57  17.04  19.81 
1972 05 27.08  21.27  24.17 
1972 06 30.74  25.74  28.24 
