1953 01 24.49  20.25  22.37 
1953 05 27.82  23.75  25.78 
1953 06 31.35  25.97  28.66 
1953 07 30.31  25.45  27.88 
1953 08 30.62  25.89  28.25 
1953 09 30.70  25.77  28.23 
1953 10 30.24  25.48  27.86 
1953 11 28.83  24.89  26.86 
1953 12 26.87  23.14  25.00 
1954 01 25.40  20.51  22.95 
1954 02 24.24  19.59  21.91 
1954 03 25.50  21.03  23.26 
1954 04 25.78 -99.99 -99.99 
1954 05 28.95  24.31  26.63 
1954 06 30.35  26.10  28.22 
1954 07 31.35  25.91  28.63 
1954 08 30.13  25.37  27.75 
1954 09 30.38  25.63  28.00 
1954 10 29.95  25.39  27.67 
1954 11 28.88  24.55  26.71 
1954 12 26.49  21.94  24.21 
1955 01 24.63  20.31  22.47 
1955 02 24.74  20.42  22.58 
1955 03 25.64  20.87  23.25 
1955 04 27.49  23.00  25.24 
1955 05 28.54  24.69  26.61 
1955 06 31.34  26.04  28.69 
1955 07 29.81  24.97  27.39 
1955 08 29.78  24.79  27.28 
1955 09 29.99  25.61  27.80 
1955 10 28.94  24.88  26.91 
1955 11 28.09  24.09  26.09 
1955 12 25.86  21.54  23.70 
1956 01 24.39  19.65  22.02 
1956 02 23.42  18.65  21.03 
1956 03 25.63  20.18  22.90 
1956 04 26.04  22.32  24.18 
1956 05 27.94  23.67  25.80 
1956 06 29.79  25.12  27.45 
1956 07 30.37  25.33  27.85 
1956 11 28.29  24.31  26.30 
1956 12 25.48  21.30  23.39 
1957 01 23.38  19.18  21.28 
1957 02 23.64  19.34  21.49 
1957 03 23.13  19.25  21.18 
1957 04 24.94  21.27  23.10 
1957 05 26.64  23.34  24.99 
1957 06 30.57  25.94  28.25 
1957 07 30.79  25.84  28.31 
1957 08 30.54  25.87  28.20 
1957 09 30.77  26.58  28.67 
1957 10 29.41  25.87  27.64 
1957 11 28.08  24.68  26.38 
1957 12 26.76  22.88  24.82 
1958 01 24.79  20.60  22.69 
1958 02 24.30  19.76  22.03 
1958 03 25.21  21.31  23.25 
1958 04 26.81  22.74  24.77 
1958 05 28.47  24.44  26.45 
1958 06 30.82  25.56  28.18 
1958 07 31.26  26.11  28.68 
1958 08 30.82  26.31  28.56 
1958 09 31.36  26.75  29.05 
1958 10 29.75  25.79  27.77 
1958 11 28.30  25.08  26.68 
1958 12 26.35  22.66  24.50 
1959 01 24.25  20.35  22.30 
1959 02 24.36  20.59  22.47 
1959 03 24.11  20.06  22.08 
1959 04 25.62  22.44  24.03 
1959 05 27.96  23.95  25.95 
1959 06 29.35  25.68  27.51 
1959 07 30.21  25.93  28.07 
1959 08 31.18  26.82  29.00 
1959 09 30.94  26.26  28.60 
1959 10 30.05  26.36  28.20 
1963 07 30.92  24.86  27.89 
1963 08 31.23  25.54  28.38 
1963 09 31.19  25.88  28.53 
1963 10 30.17  25.06  27.61 
1963 11 28.21  22.95  25.58 
1963 12 26.85  22.28  24.56 
1964 01 24.60  19.82  22.21 
1964 02 23.87  18.57  21.22 
1964 03 23.80  18.74  21.27 
1964 04 26.59  21.71  24.15 
1964 05 27.47  22.37  24.92 
1964 06 29.99  24.65  27.32 
1964 07 30.95  25.53  28.24 
1964 08 30.73  24.82  27.77 
1964 09 31.61  25.69  28.65 
1964 10 30.01  24.53  27.27 
1964 11 28.69  23.25  25.97 
1964 12 25.61  20.90  23.25 
1965 01 23.96  19.46  21.71 
1965 02 23.53  18.04  20.79 
1965 03 23.87  18.62  21.25 
1965 04 24.86  19.33  22.09 
1965 05 28.47  22.46  25.46 
1965 06 30.53  24.43  27.48 
1965 07 32.14  26.08  29.11 
1965 08 31.78  25.54  28.66 
1965 09 31.25  24.78  28.01 
1965 10 30.02  23.94  26.98 
1965 11 28.42  23.25  25.83 
1965 12 26.97  21.55  24.25 
1966 01 25.17  19.54  22.35 
1966 02 25.49  19.65  22.57 
1966 03 25.93  19.23  22.58 
1966 04 27.08  20.95  24.01 
1966 05 28.83  22.90  25.86 
1966 06 30.94  24.87  27.90 
1966 07 31.60  25.35  28.47 
1966 08 31.79  25.42  28.60 
1966 09 31.40  25.31  28.35 
1966 10 29.28  24.31  26.79 
1966 11 27.86  22.84  25.35 
1966 12 26.07  21.15  23.61 
1967 01 24.68  19.95  22.31 
1967 02 23.79  18.54  21.16 
1967 03 24.25  18.95  21.60 
1967 04 26.06  20.11  23.08 
1967 05 28.47  23.19  25.83 
1967 06 30.66  24.84  27.75 
1967 07 30.22  23.99  27.10 
1967 08 31.13  24.91  28.02 
1967 09 30.38  25.34  27.86 
1967 10 30.02  24.26  27.14 
1967 11 28.26  22.67  25.46 
1968 02 23.38  17.56  20.46 
1968 03 24.98  19.12  22.05 
1968 04 26.48  20.08  23.28 
1968 05 28.25  21.29  24.77 
1968 06 30.82  23.70  27.26 
