1963 06 30.80  24.70  27.75 
1963 07 31.10  24.70  27.90 
1963 08 31.40  24.70  28.05 
1963 09 31.40  24.90  28.15 
1963 10 32.09  24.90  28.50 
1963 11 31.60  24.20  27.90 
1963 12 31.20  23.90  27.55 
1964 01 30.20  22.60  26.40 
1964 02 29.80  22.70  26.25 
1964 03 29.90  22.70  26.30 
1964 04 30.10  22.90  26.50 
1964 05 31.10  24.00  27.55 
1964 06 31.30  24.80  28.05 
1964 07 31.30  24.60  27.95 
1964 08 32.00  24.70  28.35 
1964 09 32.00  24.90  28.45 
1964 10 31.40  24.70  28.05 
1964 11 30.80  23.70  27.25 
1964 12 29.10  21.50  25.30 
1965 01 28.70  21.30  25.00 
1965 02 28.90  21.60  25.25 
1965 03 29.80  22.60  26.20 
1965 04 30.00  22.30  26.15 
1965 05 29.80  23.50  26.65 
1965 06 30.90  24.20  27.55 
1965 07 31.70  24.60  28.15 
1965 08 31.70  24.50  28.10 
1965 09 31.70  24.80  28.25 
1965 10 31.30  24.10  27.70 
1965 11 30.50  23.90  27.20 
1965 12 29.30  22.80  26.05 
1966 01 29.20  22.50  25.85 
1966 02 29.00  22.00  25.50 
1966 03 29.20  22.20  25.70 
1966 04 29.90  22.90  26.40 
1966 05 30.50  23.60  27.05 
1966 06 31.60  24.70  28.15 
1966 07 32.00  25.00  28.50 
1966 08 32.09  24.90  28.50 
1966 09 31.90  24.60  28.25 
1966 10 31.50  24.40  27.95 
1966 11 31.10  23.40  27.25 
1966 12 29.70  22.50  26.10 
1967 01 29.20  22.20  25.70 
1967 02 29.40  22.10  25.75 
1967 03 29.80  21.60  25.70 
1967 04 29.90  22.10  26.00 
1967 05 30.10  23.30  26.70 
1967 06 31.10  24.60  27.85 
1967 07 31.40  24.30  27.84 
1967 08 32.20  24.70  28.45 
1967 09 32.30  24.70  28.50 
1967 10 32.09  24.40  28.25 
1967 11 31.60  23.70  27.65 
1967 12 30.40  22.50  26.45 
1968 01 29.10  21.20  25.15 
1968 02 28.90  21.50  25.20 
1968 03 29.20  21.20  25.20 
1968 04 30.00  21.60  25.80 
1968 05 31.00  23.60  27.30 
1968 06 31.50  24.20  27.85 
1968 07 31.30  24.10  27.70 
1968 08 31.80  24.50  28.15 
1968 09 32.40  24.80  28.60 
1968 10 32.20  24.70  28.45 
1968 11 31.30  23.60  27.45 
1968 12 30.30  22.80  26.55 
1969 01 29.20  21.60  25.40 
1969 02 28.90  21.70  25.30 
1969 03 29.90  22.50  26.20 
1969 04 31.20  23.90  27.55 
1969 05 30.30  24.00  27.15 
1969 06 31.60  25.00  28.30 
1969 07 32.59  24.70  28.65 
1969 08 31.30  24.20  27.75 
1969 09 31.80  24.30  28.05 
1969 10 32.59  24.70  28.65 
1969 11 30.90  23.30  27.09 
1969 12 29.60  22.60  26.10 
1970 01 30.00  22.60  26.30 
1970 02 30.60  22.00  26.30 
1970 03 30.40  22.20  26.30 
1970 04 31.30  22.90  27.09 
1970 05 30.60  23.20  26.90 
1970 06 30.70  24.20  27.45 
1970 07 31.10  24.30  27.70 
1970 08 31.90  24.70  28.30 
1970 09 31.60  24.10  27.85 
1970 10 30.40  24.00  27.20 
1970 11 30.10  23.00  26.55 
1970 12 29.00  22.70  25.85 
1971 01 29.20  21.90  25.55 
1971 02 29.40  21.70  25.55 
1971 03 30.00  22.10  26.05 
1971 04 29.80  22.40  26.09 
1971 05 30.60  23.20  26.90 
1971 06 31.50  24.10  27.80 
1971 07 32.30  24.30  28.30 
1971 08 31.70  24.10  27.90 
1971 09 32.30  24.40  28.34 
1971 10 31.90  23.90  27.90 
1971 11 31.10  23.00  27.05 
1971 12 29.90  21.70  25.80 
1972 01 29.04  21.45  25.24 
1972 02 28.90  21.22  25.06 
1972 03 28.82  21.42  25.12 
1972 04 30.36  22.32  26.34 
1972 05 30.61  22.94  26.77 
1972 06 31.45  24.13  27.79 
1972 07 32.20  24.84  28.52 
1972 08 31.87  24.35  28.11 
1972 09 32.41  24.27  28.34 
1972 10 31.55  24.06  27.80 
1972 11 31.22  23.60  27.41 
1972 12 30.88  22.68  26.78 
1973 01 30.63  22.37  26.50 
1973 02 30.02  21.85  25.93 
1973 03 30.26  22.32  26.29 
1973 04 30.68  22.76  26.72 
1973 05 31.54  23.92  27.73 
1973 06 31.49  24.28  27.88 
1973 07 32.25  24.22  28.23 
1973 08 32.64  24.52  28.58 
1973 09 31.98  24.08  28.03 
1973 10 31.82  24.12  27.97 
1973 11 31.27  23.29  27.28 
1973 12 29.86  21.50  25.68 
1974 01 29.00  21.19  25.09 
1974 02 29.27  21.44  25.35 
1974 03 29.40  21.39  25.39 
1974 04 29.43  21.78  25.60 
1974 05 29.99  22.97  26.48 
1974 06 30.91  24.18  27.54 
1974 07 31.87  24.34  28.10 
1974 08 31.94  24.09  28.01 
1974 09 30.74  23.53  27.13 
1974 10 30.34  23.39  26.86 
1974 11 29.04  22.52  25.78 
1974 12 29.06  22.31  25.68 
1975 01 28.85  21.25  25.05 
1975 02 29.77  21.82  25.79 
1975 03 29.67  21.79  25.73 
1975 04 30.75  22.33  26.54 
1975 05 30.92  23.56  27.24 
1975 06 31.60  24.50  28.05 
1975 07 32.38  24.69  28.53 
1975 08 32.68  24.63  28.66 
1975 09 32.09  24.25  28.17 
1975 10 30.79  23.81  27.30 
1975 11 30.19  23.24  26.71 
1975 12 28.18  21.81  24.99 
1976 01 28.80  20.96  24.88 
1976 02 28.46  21.01  24.73 
1976 03 28.61  21.05  24.83 
1976 04 29.58  22.11  25.84 
1976 05 30.49  23.06  26.77 
1976 06 30.62  23.82  27.22 
1976 07 31.79  24.58  28.18 
1976 08 32.45  24.68  28.56 
1976 09 32.41  24.77  28.59 
1976 10 30.44  24.61  27.52 
1976 11 28.11  23.96  26.03 
1976 12 30.26  22.20  26.23 
1977 01 30.11  22.24  26.17 
1977 02 30.34  22.34  26.34 
1977 03 29.85  22.33  26.09 
1977 04 30.06  22.13  26.09 
1977 05 30.89  23.95  27.42 
1977 06 32.00  24.48  28.24 
1977 07 32.20  24.25  28.22 
1977 08 32.59  24.65  28.62 
1977 09 31.80  24.00  27.90 
1977 10 31.32  23.81  27.56 
1977 11 30.01  22.81  26.41 
1977 12 29.38  22.82  26.09 
1978 01 29.38  22.03  25.70 
1978 02 29.76  21.98  25.87 
