1953 01 29.76  25.86  27.81 
1953 02 29.58  25.40  27.49 
1953 03 29.35  25.72  27.53 
1953 04 29.86  26.46  28.16 
1953 05 30.56  26.49  28.52 
1953 06 30.39  26.77  28.58 
1953 07 30.18  26.68  28.43 
1953 08 29.74  26.36  28.05 
1953 09 30.52  26.99  28.75 
1953 10 30.59  27.09  28.84 
1953 11 30.10  26.37  28.23 
1953 12 29.17  25.95  27.56 
1954 02 99.99  24.86 -99.99 
1954 03 99.99  24.87 -99.99 
1954 04 99.99  25.26 -99.99 
1954 05 99.99  24.70 -99.99 
1954 06 99.99  24.68 -99.99 
1954 07 99.99  25.19 -99.99 
1954 08 99.99  25.07 -99.99 
1954 09 30.62  25.01  27.81 
1954 10 30.30  24.96  27.63 
1954 11 29.73  25.02  27.37 
1954 12 29.63  26.18  27.90 
1955 01 29.10  25.48  27.29 
1955 02 29.05  25.54  27.29 
1955 03 28.89  25.26  27.07 
1955 04 29.13  25.65  27.39 
1955 05 29.23  25.62  27.42 
1955 06 29.80  26.02  27.91 
1955 07 29.70  25.48  27.59 
1955 08 30.20  26.40  28.30 
1955 09 29.98  25.78  27.88 
1955 10 30.49  26.12  28.30 
1955 11 30.11  26.43  28.27 
1955 12 29.62  25.92  27.77 
1956 01 29.05  25.53  27.29 
1956 02 29.21  25.30  27.25 
1956 03 29.28  25.30  27.29 
1956 04 29.67  26.03  27.85 
1956 05 29.66  25.95  27.80 
1956 06 30.32  26.23  28.27 
1956 07 29.66  25.68  27.67 
1956 08 30.42  26.28  28.35 
1956 09 30.32  25.91  28.11 
1956 10 30.47  26.50  28.48 
1956 11 30.06  26.07  28.06 
1956 12 29.70  26.16  27.93 
1957 01 29.35  26.05  27.70 
1957 02 28.98  25.82  27.40 
1957 03 29.27  25.85  27.56 
1957 05 30.07  26.54  28.30 
1957 07 30.55  26.97  28.75 
1957 08 30.83  27.08  28.95 
1957 09 31.19  27.35  29.27 
1957 10 31.03  26.75  28.89 
1957 11 30.14  26.34  28.24 
1957 12 29.60  25.95  27.77 
1958 01 29.09  25.31  27.20 
1958 02 29.19  25.62  27.40 
1958 03 29.54  25.34  27.44 
1958 04 29.99  26.19  28.09 
1958 05 30.44  26.46  28.45 
1958 08 30.97  26.57  28.77 
1958 09 31.45  26.77  29.11 
1958 10 30.02  25.89  27.95 
1958 11 30.45  26.78  28.61 
1958 12 29.56  26.30  27.93 
1959 01 29.13  25.21  27.16 
1959 02 29.17  25.40  27.28 
1959 04 29.84  25.85  27.84 
1959 05 30.18  26.05  28.11 
1959 06 30.94  26.33  28.63 
1959 07 30.64  26.57  28.60 
1959 08 31.06  26.29  28.67 
1959 10 31.01  26.48  28.74 
1960 03 30.76  25.25  28.00 
1960 04 30.52  25.42  27.97 
1960 05 30.43  25.41  27.92 
1960 06 31.37  26.32  28.84 
1960 07 31.37  26.44  28.90 
1960 09 31.10  26.48  28.79 
1960 10 30.79  26.83  28.81 
1960 11 30.49  26.23  28.36 
1960 12 30.26  25.44  27.85 
1961 01 29.79  25.41  27.60 
1961 02 30.06  25.82  27.93 
1961 03 30.14  25.20  27.67 
1961 04 30.45  25.82  28.13 
1961 05 30.18  25.43  27.80 
1961 06 30.83  25.67  28.25 
1961 07 30.60  25.11  27.85 
1961 08 31.20  25.59  28.39 
1961 09 30.78  24.74  27.76 
1961 10 29.87  24.83  27.35 
1961 11 30.08  25.08  27.58 
1962 01 30.25  26.04  28.14 
1962 02 30.21  25.75  27.98 
1962 03 30.01  25.30  27.65 
1962 04 30.64  25.73  28.18 
1962 05 30.70  25.45  28.07 
1962 08 30.95  25.29  28.12 
1962 09 31.20  24.98  28.09 
1962 10 31.09  25.35  28.22 
1962 11 30.49  25.19  27.84 
1962 12 29.71  25.21  27.46 
1963 01 29.85  25.52  27.68 
1963 02 30.10  25.50  27.80 
1963 03 30.43  25.23  27.83 
1963 04 30.75  25.24  27.99 
1963 05 30.73  25.27  28.00 
1963 06 30.50  25.37  27.93 
1963 07 31.15  25.41  28.28 
1963 08 31.54  25.94  28.74 
1963 09 31.74  25.78  28.76 
1963 10 30.95  25.03  27.99 
1963 11 31.01  25.65  28.33 
1963 12 29.86  25.00  27.43 
1964 01 29.66  24.73  27.19 
1964 02 29.66  24.87  27.26 
1964 03 29.95  25.51  27.73 
1964 04 29.64  24.93  27.28 
1964 05 30.97  25.77  28.37 
1964 06 31.13  25.42  28.27 
1964 07 30.74  25.07  27.90 
1964 08 30.87  25.09  27.98 
1964 10 30.68  24.83  27.75 
1964 11 30.33  25.01  27.67 
1964 12 30.11  25.11  27.61 
1965 01 29.59  24.46  27.02 
1965 02 29.35  24.09  26.72 
1965 03 29.83  24.72  27.27 
1965 04 30.02  25.08  27.55 
1965 07 30.25  24.86  27.55 
1965 08 31.29  25.58  28.43 
1965 09 30.97  25.56  28.26 
1965 10 30.59  24.75  27.67 
1965 11 30.62  25.23  27.92 
1965 12 29.82  24.98  27.40 
1966 01 29.52  23.97  26.74 
1966 02 29.57  24.48  27.02 
1966 03 29.83  24.66  27.24 
1966 05 31.00  25.94  28.47 
1966 06 31.09  25.78  28.43 
1966 07 31.41  25.95  28.68 
1966 08 31.78  26.06  28.92 
1966 09 31.64  25.79  28.71 
1966 10 31.85  25.77  28.81 
1966 11 31.26  25.77  28.51 
1966 12 30.30  25.29  27.79 
1967 01 29.89  25.17  27.53 
1967 02 29.87  25.03  27.45 
1967 03 30.23  25.33  27.78 
1967 04 30.69  25.51  28.10 
1967 05 30.84  25.65  28.24 
1967 06 30.97  25.63  28.30 
1970 03 30.40  22.85  26.62 
1970 05 30.75  25.33  28.04 
1970 06 31.35  24.38  27.86 
1970 07 31.67  24.39  28.03 
1970 08 31.79  22.93  27.36 
1970 09 31.64  22.95  27.29 
1970 10 30.77  24.03  27.40 
1970 11 30.70  24.46  27.58 
1970 12 30.37  24.05  27.21 
1971 01 30.91  24.47  27.68 
1971 02 30.59  25.19  27.89 
1971 03 31.49  25.15  28.32 
1971 04 31.31  24.62  27.96 
1971 05 31.25  25.14  28.19 
1971 06 30.82  24.90  27.86 
1971 07 30.82  24.76  27.79 
1971 08 31.61  25.75  28.68 
1971 11 30.07  25.98  28.02 
1971 12 28.48  24.48  26.48 
1972 01 27.97  21.64  24.80 
1972 02 28.56  23.77  26.16 
1972 03 29.50  24.93  27.21 
1972 05 28.62  24.89  26.75 
1972 06 30.20  25.11  27.65 
1972 07 30.69  25.66  28.17 
1972 09 30.72  25.15  27.93 
1972 10 31.05  24.74  27.89 
1972 11 29.53  24.77  27.15 
1972 12 28.87  24.91  26.89 
1973 01 28.71  24.12  26.41 
1973 02 29.36  23.70  26.53 
1973 03 29.92  23.87  26.89 
1973 04 30.22  24.03  27.12 
1973 05 31.03 -99.99 -99.99 
1973 06 30.73  24.53  27.63 
1973 08 31.10 -99.99 -99.99 
1973 09 31.10 -99.99 -99.99 
1973 10 31.38  24.38  27.88 
1973 11 30.90  24.00  27.45 
1973 12 30.11  23.07  26.59 
1974 01 30.81  23.38  27.09 
1974 02 30.05  24.03  27.04 
1974 03 31.19  23.35  27.27 
1974 04 30.24  24.21  27.22 
1974 05 30.65  24.10  27.37 
1974 12 30.28  24.83  27.55 
1975 01 29.64  24.07  26.85 
1975 02 29.68  25.85  27.76 
1975 05 30.96  26.42  28.68 
1975 06 31.03  26.65  28.84 
1975 07 29.96  23.94  26.95 
1975 08 30.45  25.11  27.78 
1975 09 30.65  25.27  27.96 
1975 10 30.14  26.02  28.08 
1975 11 29.45  24.94  27.19 
1975 12 29.28  24.36  26.82 
1976 01 29.21  22.33  25.77 
1976 02 29.65  23.65  26.65 
1976 03 29.96  23.10  26.53 
1976 04 29.71  23.30  26.50 
1976 05 29.71  24.29  27.00 
1976 07 29.60  24.84  27.22 
1976 08 29.88  25.01  27.44 
1976 09 30.21  25.21  27.71 
1976 10 30.37  26.55  28.46 
1976 11 29.27  26.71  27.99 
1976 12 29.01  26.30  27.65 
1977 01 28.19  25.83  27.01 
1977 02 28.45  26.00  27.22 
1977 03 28.80  25.86  27.33 
1977 04 28.84  26.63  27.73 
1977 05 29.70  27.11  28.40 
1977 06 30.33  27.45  28.89 
1977 07 29.90  27.03  28.46 
1978 05 30.35  25.19  27.77 
1978 06 30.88  25.60  28.24 
