1949 05 27.13  21.85  24.49 
1949 06 28.02  23.46  25.74 
1949 07 30.31  26.09  28.20 
1949 08 29.49  24.99  27.24 
1949 09 30.50  24.39  27.44 
1949 10 27.66  22.63  25.14 
1949 11 24.50  19.16  21.83 
1949 12 22.10  17.31  19.70 
1950 01 20.81  15.63  18.21 
1950 02 19.74  14.98  17.36 
1950 03 21.31  15.36  18.33 
1950 04 23.66  18.52  21.09 
1950 05 25.99  20.46  23.23 
1950 06 27.86  22.65  25.25 
1950 07 29.93  25.16  27.54 
1950 08 30.45  25.66  28.05 
1950 09 30.21  24.92  27.56 
1950 10 28.04  22.45  25.24 
1950 11 24.37  19.26  21.81 
1950 12 19.86  14.76  17.31 
1951 01 19.10  14.10  16.60 
1951 02 20.21  14.75  17.48 
1951 03 20.61  15.15  17.88 
1951 04 23.13  18.93  21.03 
1951 05 26.28  19.89  23.08 
1951 06 28.17  23.88  26.02 
1951 07 30.83  25.54  28.18 
1951 08 30.86  25.51  28.18 
1951 09 30.26  25.43  27.84 
1951 10 27.12  23.03  25.07 
1951 11 23.77  18.54  21.15 
1951 12 21.97  16.99  19.48 
1952 01 20.53  14.72  17.62 
1952 02 20.55  15.42  17.98 
1952 03 22.27  16.90  19.58 
1952 04 24.18  18.93  21.55 
1952 05 27.89  23.12  25.50 
1952 06 30.05  24.95  27.50 
1952 07 30.77  26.15  28.46 
1952 08 31.83  25.94  28.88 
1952 09 31.37  25.91  28.64 
1952 10 28.50  21.94  25.22 
1952 11 26.08  21.61  23.84 
1952 12 21.39  16.45  18.92 
1953 01 19.51  13.89  16.70 
1954 02 21.81  15.80  18.80 
1954 03 20.64  15.24  17.93 
1954 04 24.43  19.67  22.05 
1954 05 28.70  23.40  26.05 
1954 06 29.76  24.71  27.23 
1954 07 31.94  26.55  29.24 
1954 08 31.15  25.68  28.41 
1954 09 30.22  24.86  27.54 
1954 10 27.13  21.75  24.43 
1954 11 24.48  19.76  22.12 
1954 12 20.69  16.21  18.45 
1955 01 18.26  12.92  15.59 
1955 02 20.69  14.31  17.50 
1955 03 23.77  17.86  20.81 
1955 04 24.98  19.76  22.37 
1955 05 26.35  21.31  23.83 
1955 06 30.03  24.83  27.43 
1955 07 30.94  25.70  28.32 
1955 08 30.74  25.22  27.98 
1955 09 31.68  25.76  28.72 
1955 10 27.06  22.19  24.62 
1955 11 23.49  18.35  20.92 
1955 12 21.80  15.88  18.84 
1956 01 18.14  13.69  15.91 
1956 02 18.03  12.98  15.50 
1956 03 21.03  16.09  18.56 
1956 04 23.79  19.07  21.43 
1956 05 27.14  22.45  24.79 
1956 06 30.92  26.10  28.51 
1956 07 33.34  27.55  30.44 
1956 08 30.76  26.00  28.38 
1956 09 29.88  24.92  27.40 
1956 10 27.65  23.28  25.46 
1956 11 23.16  18.70  20.93 
1956 12 19.93  15.75  17.84 
1957 01 20.18  15.18  17.68 
1957 02 18.51  13.83  16.17 
1957 03 20.10  14.49  17.29 
1957 04 24.51  19.45  21.98 
1957 05 26.72  21.99  24.35 
1957 06 27.22  23.65  25.43 
1957 07 31.60  27.15  29.37 
1957 08 31.12  25.92  28.52 
1957 09 29.88  24.98  27.43 
1957 10 26.65  21.13  23.89 
1957 11 24.20  19.37  21.78 
1957 12 21.01  16.02  18.51 
1958 01 19.28  14.51  16.89 
1958 02 19.04  14.47  16.75 
1958 03 20.84  15.87  18.35 
1958 04 25.02  19.82  22.42 
1958 05 26.27  21.60  23.93 
1958 06 27.64  22.73  25.18 
1958 07 30.64  26.03  28.33 
1958 08 31.81  26.51  29.16 
1958 09 30.31  25.51  27.91 
1958 10 27.04  22.55  24.79 
1958 11 23.68  19.42  21.55 
1958 12 21.58  16.58  19.08 
1959 01 18.32  13.54  15.93 
1959 02 21.80  17.56  19.68 
1959 03 21.94  17.15  19.54 
1959 04 23.34  17.89  20.61 
1959 05 27.19  22.48  24.83 
1959 06 29.22  24.61  26.91 
1959 07 31.94  27.28  29.61 
1959 08 31.30  26.24  28.77 
1959 09 30.80  25.84  28.32 
1959 10 27.07  22.70  24.88 
1959 11 25.05  20.46  22.75 
1959 12 22.40  17.62  20.01 
1960 01 19.95  14.97  17.46 
1960 02 20.73  14.50  17.61 
1960 03 23.19  18.35  20.77 
1960 04 23.45  18.57  21.01 
1960 05 26.37  21.41  23.89 
1960 06 28.70  24.60  26.65 
1960 07 31.15  26.66  28.90 
1960 08 29.59  25.79  27.69 
1960 09 30.27  25.32  27.79 
1960 10 27.53  22.82  25.17 
1960 11 24.93  19.59  22.26 
1960 12 20.16  15.59  17.87 
1961 01 18.53  13.39  15.96 
1961 02 17.78  13.16  15.47 
1961 03 21.35  16.59  18.97 
1961 04 23.72  18.48  21.09 
1961 05 27.04  22.24  24.64 
1961 06 30.39  25.71  28.05 
1961 07 30.74  26.21  28.47 
1961 08 31.20  26.07  28.63 
1961 09 30.78  25.64  28.21 
1961 10 28.01  22.91  25.46 
1961 11 25.08  20.11  22.59 
1961 12 20.68  16.23  18.45 
1962 01 16.75  12.46  14.60 
1962 02 19.86  13.76  16.81 
1962 03 20.12  14.49  17.31 
1962 04 23.03  16.26  19.64 
1962 05 27.13  22.24  24.68 
1962 06 29.47  25.05  27.25 
1962 07 31.41  26.80  29.10 
1962 08 30.72  26.72  28.72 
1962 09 30.08  25.88  27.98 
1962 10 27.04  23.07  25.05 
1962 11 23.75  19.67  21.71 
1962 12 20.65  15.93  18.29 
1963 01 14.81  10.68  12.74 
1963 02 16.36  11.54  13.95 
1963 03 19.71  14.41  17.06 
1963 04 22.82  18.11  20.46 
1963 05 27.09  22.62  24.85 
1963 06 28.13  23.90  26.01 
1963 07 30.24  25.62  27.93 
1963 08 30.53  26.38  28.45 
1963 09 29.89  25.85  27.87 
1963 10 26.15  21.25  23.70 
1963 11 24.46  19.61  22.03 
1963 12 20.67  17.01  18.84 
1964 01 20.36  15.82  18.09 
1964 02 19.35  15.19  17.27 
1964 03 21.36  16.77  19.06 
1964 04 26.77  22.14  24.45 
1964 05 26.64  22.40  24.52 
1964 06 27.65  23.80  25.72 
1964 07 31.44  27.00  29.22 
1964 08 31.05  26.81  28.93 
1964 09 30.85  26.52  28.68 
1964 10 28.47  24.49  26.48 
1964 11 23.95  19.92  21.93 
1964 12 20.65  16.37  18.51 
1965 01 17.42  12.61  15.01 
1965 02 18.57  14.26  16.41 
1965 03 19.02  14.56  16.79 
1965 04 23.07  18.75  20.91 
1965 05 24.95  20.72  22.83 
1965 06 27.17  23.73  25.45 
1965 07 30.85  26.56  28.70 
1965 08 30.22  26.16  28.18 
1965 09 28.45  24.09  26.27 
1965 10 24.61  20.07  22.34 
1965 11 25.96  21.46  23.71 
1965 12 21.92  17.29  19.60 
1966 01 20.41  15.90  18.15 
1966 02 20.91  15.78  18.34 
1966 03 22.76  18.09  20.42 
1966 04 24.54  20.16  22.35 
1966 05 25.71  21.62  23.66 
1966 06 27.56  24.19  25.87 
1966 07 30.34  26.35  28.34 
1966 08 30.96  27.51  29.23 
1966 09 29.38  25.50  27.43 
1966 10 26.80  21.88  24.34 
1966 11 24.22  19.78  22.00 
1966 12 20.72  16.77  18.74 
1967 01 17.90  13.34  15.62 
1967 02 18.36  13.65  16.00 
1967 03 21.12  15.95  18.53 
1967 04 25.63  20.89  23.25 
1967 05 27.35  23.68  25.51 
1967 06 28.22  24.78  26.50 
1967 07 31.07  27.14  29.10 
1967 08 30.96  26.55  28.75 
1967 09 29.53  25.22  27.37 
1967 10 26.80  22.31  24.55 
1967 11 25.07  20.85  22.96 
1967 12 17.87  13.97  15.92 
1968 01 18.03  13.41  15.72 
1968 02 15.59  11.88  13.73 
1968 03 19.57  14.52  17.04 
