1948 01 34.80  28.50  31.65 
1948 02 34.09  27.50  30.80 
1948 03 34.50  26.80  30.65 
1948 04 34.09  27.10  30.59 
1948 05 34.90  25.90  30.40 
1948 06 32.00  23.80  27.90 
1948 07 30.60  22.40  26.50 
1948 08 31.20  23.40  27.30 
1948 09 31.80  24.90  28.34 
1948 10 32.59  26.50  29.55 
1948 11 32.30  27.10  29.70 
1948 12 34.00  28.40  31.20 
1949 01 34.80  29.20  32.00 
1949 02 32.09  27.60  29.84 
1949 03 33.59  28.30  30.95 
1949 05 31.80  25.70  28.75 
1951 02 31.70  26.90  29.30 
1951 03 32.80  27.70  30.25 
1951 04 33.20  28.40  30.80 
1951 05 31.30  25.20  28.25 
1951 06 28.70  23.10  25.90 
1951 07 27.90  21.80  24.84 
1951 08 28.60  22.30  25.45 
1951 09 30.10  24.30  27.20 
1951 10 31.60  25.60  28.60 
1951 11 33.80  27.90  30.84 
1951 12 34.09  29.20  31.65 
1952 01 34.40  28.70  31.55 
1952 02 34.20  28.90  31.55 
1952 03 34.70  29.00  31.85 
1952 04 34.40  28.60  31.50 
1952 05 31.90  26.80  29.34 
1952 06 29.20  23.40  26.30 
1952 07 28.20  22.90  25.55 
1952 08 27.00  22.70  24.85 
1952 09 29.80  24.30  27.05 
1952 10 31.40  25.60  28.50 
1952 11 34.09  27.50  30.80 
1952 12 33.90  27.40  30.65 
1953 01 33.70  27.90  30.80 
1953 02 34.80  28.50  31.65 
1953 03 34.90  28.60  31.75 
1953 04 99.99  28.00 -99.99 
1953 05 33.70  26.10  29.90 
1953 06 32.80  24.30  28.55 
1953 07 29.80  23.30  26.55 
1953 08 29.20  22.30  25.75 
1953 09 30.80  24.10  27.45 
1953 10 31.80  26.10  28.95 
1953 11 33.09  28.00  30.55 
1953 12 33.59  28.60  31.09 
1954 01 33.20  28.90  31.05 
1954 02 33.30  28.90  31.09 
1954 03 32.90  29.00  30.95 
1954 04 32.20  27.60  29.90 
1954 05 31.10  26.30  28.70 
1954 06 27.90  22.60  25.25 
1954 07 27.50  22.30  24.90 
1954 08 28.30  22.70  25.50 
1954 09 29.90  24.20  27.05 
1954 10 31.10  26.60  28.85 
1954 11 32.30  27.70  30.00 
1954 12 32.70  28.40  30.55 
1955 01 31.60  27.80  29.70 
1955 02 31.70  27.90  29.80 
1955 03 31.10  27.80  29.45 
1955 04 32.59  27.70  30.15 
1955 05 29.60  24.70  27.15 
1955 06 28.20  23.80  26.00 
1955 07 27.00  22.20  24.60 
1955 08 29.10  23.90  26.50 
1955 09 30.20  25.60  27.90 
1955 10 30.90  25.80  28.34 
1955 11 32.30  27.20  29.75 
1955 12 32.90  28.20  30.55 
1956 01 99.99  27.40 -99.99 
1956 02 99.99  26.20 -99.99 
1956 03 99.99  27.50 -99.99 
1956 04 32.80  27.70  30.25 
1956 05 29.90  24.80  27.34 
1956 06 29.30 -99.99 -99.99 
1956 07 27.10 -99.99 -99.99 
1956 08 29.70  22.70  26.20 
1956 09 30.10  24.10  27.10 
1956 10 31.00  25.50  28.25 
1965 01 32.37  26.67  29.52 
1965 02 32.56  26.38  29.47 
1965 03 31.05  25.97  28.50 
1965 04 32.16  26.40  29.28 
1965 05 31.10  25.59  28.34 
1965 06 29.39  23.74  26.56 
1965 07 27.48  20.88  24.18 
1965 08 27.55  21.79  24.67 
1965 09 28.85  23.62  26.23 
1965 10 30.34  25.40  27.87 
1965 11 31.49  26.67  29.08 
1965 12 32.25  27.12  29.68 
1966 01 31.32  26.28  28.80 
1966 02 30.99  26.47  28.73 
1966 03 32.58  26.79  29.68 
1966 04 33.23  27.95  30.59 
1966 05 30.92  24.67  27.79 
1966 06 29.37  23.79  26.58 
1966 07 28.74  22.74  25.74 
1966 08 28.25  21.48  24.86 
1966 09 29.07  23.19  26.13 
1966 10 29.96  24.79  27.37 
1966 11 30.95  26.07  28.51 
1966 12 33.09  27.77  30.43 
1967 01 31.95  25.41  28.68 
1967 02 31.42  25.27  28.34 
1967 03 31.58  26.22  28.90 
1967 04 32.77  27.21  29.99 
1967 05 31.60  25.87  28.73 
1967 06 28.29  21.52  24.90 
1967 07 27.43  20.53  23.98 
1967 08 27.68  21.38  24.53 
1967 09 29.62  22.87  26.24 
1967 10 29.75  24.72  27.23 
1967 11 32.03  26.96  29.49 
1967 12 31.80  27.54  29.67 
1968 01 31.22  27.08  29.15 
1968 02 30.18  25.33  27.75 
1968 03 31.27  26.56  28.91 
1968 04 31.67  26.79  29.23 
1968 05 28.98  24.16  26.57 
1968 06 29.49  24.45  26.97 
1968 07 26.97  21.47  24.22 
1968 08 28.13  22.46  25.29 
1968 09 30.21  24.54  27.37 
1968 10 31.16  25.81  28.48 
1968 11 31.76  27.05  29.40 
1968 12 33.15  27.72  30.43 
1969 01 31.36  26.25  28.80 
1969 02 30.80  25.38  28.09 
1969 03 32.11  26.81  29.46 
1969 04 33.53  26.88  30.20 
1969 05 31.20  25.42  28.31 
1969 06 29.11  22.65  25.88 
1969 07 28.81  22.15  25.48 
1969 08 29.14  21.84  25.49 
1969 09 29.47  23.03  26.25 
1969 10 30.05  24.75  27.40 
1969 11 31.66  26.49  29.07 
1969 12 31.38  27.27  29.32 
1970 01 32.71  27.93  30.32 
1970 02 31.72  27.35  29.53 
1970 03 33.82  28.05  30.93 
1970 04 32.81  27.19  30.00 
1970 05 31.52  25.05  28.28 
1970 06 31.80  23.88  27.84 
1970 07 29.67  21.62  25.64 
1970 08 30.45  22.05  26.25 
1970 09 30.72  23.79  27.25 
1970 10 31.88  25.32  28.59 
1970 11 31.85  26.40  29.12 
1970 12 31.80  26.56  29.18 
1971 01 32.18  26.83  29.50 
1971 02 31.55  26.56  29.05 
1971 03 32.20  25.90  29.05 
1971 04 34.96  26.56  30.75 
1971 05 32.98  25.34  29.16 
1971 06 30.03  22.05  26.04 
1971 07 29.42  21.36  25.39 
1971 08 29.93  22.23  26.08 
1971 09 31.08  24.32  27.70 
1971 10 31.12  25.33  28.22 
1971 11 31.27  26.61  28.94 
1971 12 32.49  26.86  29.67 
1972 01 32.68  27.29  29.99 
1972 02 32.79  26.60  29.69 
1972 03 32.80  26.64  29.72 
1972 04 32.75  27.04  29.90 
1972 05 31.48  25.01  28.24 
1972 06 29.24  23.01  26.12 
1972 07 28.48  21.50  24.99 
1972 08 28.22  22.69  25.45 
1972 09 29.79  23.96  26.87 
1972 10 31.56  25.62  28.59 
1972 11 32.02  27.06  29.54 
1972 12 33.13  27.61  30.37 
1973 01 31.91  26.75  29.33 
1973 02 31.52  26.79  29.15 
1973 03 32.43  27.51  29.97 
1973 04 33.63  27.78  30.70 
1973 05 32.34  25.93  29.14 
1973 06 29.99  23.77  26.88 
1973 07 30.33  23.87  27.10 
1973 08 29.85  24.44  27.14 
1973 09 31.03  24.84  27.93 
1973 10 32.23  26.51  29.37 
1973 11 31.17  26.99  29.08 
1973 12 32.65  26.93  29.79 
1974 01 29.73  25.34  27.53 
1974 02 30.72  26.22  28.47 
1974 03 32.40  26.97  29.68 
1974 04 32.18  25.72  28.95 
1974 05 31.10  24.50  27.80 
1974 06 28.87  22.00  25.43 
1974 07 28.94  21.76  25.35 
1974 08 29.15  22.91  26.03 
1974 09 29.64  24.24  26.93 
1974 10 30.61  25.91  28.26 
1974 11 32.46  27.08  29.77 
1974 12 33.07  27.49  30.28 
1975 01 32.55 -99.99 -99.99 
1975 02 31.95 -99.99 -99.99 
1975 03 32.80  27.32  30.06 
1975 04 33.97  26.66  30.31 
1975 05 32.93  25.76  29.34 
1975 06 29.97  23.01  26.49 
1975 07 30.09  23.37  26.73 
1975 08 30.06  23.03  26.54 
1975 09 30.70  24.86  27.78 
1975 10 32.09  26.02  29.06 
1975 11 33.96  27.35  30.65 
1975 12 31.96  27.14  29.55 
1976 01 31.30  25.82  28.56 
1976 06 29.80  22.43  26.11 
1976 07 28.72  21.43  25.07 
1976 08 28.72  21.52  25.12 
1976 11 30.58  25.90  28.24 
1976 12 31.79  26.87  29.33 
1977 01 32.18  27.23  29.71 
1977 03 30.37  25.71  28.04 
1977 04 32.98  26.99  29.98 
1978 02 31.81  26.45  29.13 
1979 10 31.60 -99.99 -99.99 
1979 11 32.68  27.73  30.20 
1980 05 32.75  25.91  29.33 
1980 09 30.44  24.38  27.41 
1980 10 30.85  26.37  28.61 
1981 02 30.88  26.65  28.76 
1982 03 32.30 -99.99 -99.99 
