1949 01 32.04  21.83  26.93 
1949 02 32.15  22.88  27.51 
1949 03 32.59  22.85  27.72 
1949 04 32.61  24.06  28.33 
1949 05 31.24  24.27  27.75 
1949 06 30.47  23.62  27.04 
1949 07 31.11  23.45  27.28 
1949 08 30.92  23.85  27.38 
1949 09 31.03  23.60  27.31 
1949 10 30.13  23.36  26.74 
1949 11 29.88  23.31  26.59 
1949 12 30.22  22.49  26.35 
1950 01 31.53  22.17  26.85 
1950 02 32.14  22.68  27.41 
1950 03 32.58  22.86  27.72 
1950 04 32.53  23.07  27.80 
1950 05 30.74  23.26  27.00 
1950 06 29.60  23.38  26.49 
1950 07 30.35  23.37  26.86 
1950 08 30.28  23.42  26.85 
1950 09 31.04  23.64  27.34 
1950 10 30.02  23.13  26.57 
1950 11 30.14  22.79  26.46 
1950 12 30.32  22.42  26.37 
1951 01 32.00  21.44  26.72 
1951 02 31.13  22.01  26.57 
1951 03 32.55  21.65  27.09 
1951 04 32.96  23.48  28.22 
1951 05 31.65  23.47  27.56 
1951 06 31.81  23.98  27.89 
1951 07 31.76  23.63  27.69 
1951 08 31.57  23.90  27.73 
1951 09 31.06  23.87  27.46 
1951 10 30.70  23.68  27.19 
1951 11 30.75  23.69  27.22 
1951 12 32.18  23.65  27.91 
1952 01 31.95  23.39  27.67 
1952 02 32.54  23.03  27.78 
1952 03 33.28  23.64  28.46 
1952 04 33.38  24.19  28.78 
1952 05 31.32  24.36  27.84 
1952 06 30.60  23.97  27.28 
1952 07 30.89  23.94  27.41 
1952 08 31.09  23.96  27.52 
1952 09 30.84  23.77  27.30 
1952 10 30.36  23.49  26.92 
1952 11 30.59  23.52  27.05 
1952 12 30.92  23.32  27.12 
1953 01 31.06  23.42  27.24 
1953 02 31.94  23.23  27.58 
1953 03 32.24  23.33  27.78 
1953 04 32.90  24.42  28.66 
1953 05 31.24  24.24  27.74 
1953 06 31.41  24.11  27.76 
1953 07 31.32  24.30  27.81 
1953 08 31.97  24.69  28.33 
1953 09 30.87  23.95  27.41 
1953 10 30.74  23.40  27.07 
1953 11 30.47  23.79  27.13 
1953 12 31.60  23.34  27.47 
1954 01 32.24  23.34  27.79 
1954 02 32.22  22.76  27.49 
1954 03 33.18  23.88  28.53 
1954 04 33.12  24.32  28.72 
1954 05 31.08  24.20  27.64 
1954 06 30.32  23.68  27.00 
1954 07 30.72  23.36  27.04 
1954 08 30.92  23.59  27.25 
1954 09 30.67  23.51  27.09 
1954 10 29.75  23.20  26.47 
1954 11 30.63  23.20  26.91 
1954 12 30.78  22.83  26.80 
1955 01 30.80  22.51  26.65 
1955 02 31.91  23.28  27.59 
1955 03 32.29  23.23  27.76 
1955 04 32.48  23.54  28.01 
1955 05 31.76  24.02  27.89 
1955 06 30.56  23.76  27.16 
1955 07 30.11  23.40  26.75 
1955 08 30.30  23.21  26.75 
1955 09 30.25  23.24  26.74 
1955 10 29.71  23.47  26.59 
1955 11 29.75  23.23  26.49 
1955 12 30.70  22.90  26.80 
1956 01 30.10  21.92  26.01 
1956 02 32.05  23.20  27.62 
1956 03 32.59  23.16  27.88 
1956 04 33.07  24.12  28.59 
1956 05 30.74  23.79  27.26 
1956 06 30.07  23.51  26.79 
1956 07 30.76  23.38  27.07 
1956 08 31.33  23.54  27.43 
1956 09 30.79  23.59  27.19 
1956 10 30.35  22.99  26.67 
1956 11 30.06  23.04  26.55 
1956 12 31.12  22.78  26.95 
1957 01 31.94  22.80  27.37 
1957 02 31.89  23.11  27.50 
1957 03 32.93  22.86  27.90 
1957 04 33.66  23.74  28.70 
1957 05 32.11  24.48  28.29 
1957 06 32.18  24.40  28.29 
1957 07 32.05  24.60  28.32 
1957 08 31.79  24.10  27.94 
1957 09 31.42  23.71  27.56 
1957 10 31.16  23.36  27.26 
1957 11 31.60  24.13  27.86 
1957 12 32.05  23.95  28.00 
1958 01 32.15  23.87  28.01 
1958 02 32.75  23.84  28.29 
1958 03 33.18  24.57  28.87 
1958 04 33.71  24.59  29.15 
1958 05 31.64  24.53  28.08 
1958 06 31.67  24.51  28.09 
1958 07 31.11  24.08  27.59 
1958 08 30.71  23.75  27.23 
1958 09 31.02  23.69  27.35 
1958 10 30.93  23.72  27.32 
1958 11 30.76  23.56  27.16 
1958 12 31.17  23.49  27.33 
1959 01 32.13  22.94  27.53 
1959 02 31.91  22.97  27.43 
1959 03 32.52  23.56  28.04 
1959 04 33.33  24.57  28.95 
1959 05 31.84  24.26  28.05 
1959 06 30.52  23.87  27.19 
1959 07 31.23  23.95  27.59 
1959 08 30.80  23.55  27.17 
1959 09 30.92  23.32  27.12 
1959 10 29.70  23.28  26.49 
1959 11 30.55  23.25  26.90 
1959 12 30.90  23.76  27.33 
1960 01 31.39  23.08  27.23 
1960 02 32.22  22.83  27.52 
1960 03 32.08  23.31  27.69 
1960 04 32.39  23.55  27.97 
1960 05 30.33  23.74  27.03 
1960 06 30.54  23.54  27.04 
1960 07 31.00  23.60  27.30 
1960 08 30.77  23.81  27.29 
1960 09 30.31  23.26  26.78 
1960 10 30.33  23.25  26.79 
1960 11 30.15  23.31  26.73 
1960 12 29.79  22.73  26.26 
1961 01 31.83  23.03  27.43 
1961 02 31.88  22.62  27.25 
1961 03 32.59  23.36  27.97 
1961 04 32.63  23.96  28.29 
1961 05 31.92  24.43  28.17 
1961 06 30.51  23.64  27.07 
1961 07 30.31  23.16  26.73 
1961 08 31.03  23.91  27.47 
1961 09 30.10  23.38  26.74 
1961 10 30.03  23.13  26.58 
1961 11 29.37  22.85  26.11 
