1965 01 27.90  21.80  24.84 
1965 02 28.00  22.30  25.15 
1965 03 29.00  22.80  25.90 
1965 04 31.00  23.00  27.00 
1965 05 32.80  22.60  27.70 
1965 06 31.20  22.70  26.95 
1965 07 30.30  22.70  26.50 
1965 08 31.50  22.40  26.95 
1965 09 31.10  22.60  26.85 
1965 10 30.80  23.00  26.90 
1965 11 30.40  23.40  26.90 
1965 12 28.70  23.10  25.90 
1966 01 29.00  22.10  25.55 
1966 02 29.50  22.10  25.80 
1966 03 30.90  22.40  26.65 
1966 04 32.30  23.40  27.84 
1966 05 31.90  22.90  27.40 
1966 06 31.70  23.30  27.50 
1966 07 31.20  23.10  27.15 
1966 08 32.20  23.50  27.85 
1966 09 31.70  23.60  27.65 
1966 10 31.30  22.60  26.95 
1966 11 31.70  22.70  27.20 
1966 12 30.60  23.00  26.80 
1967 01 29.00  22.20  25.60 
1967 02 28.60  22.20  25.40 
1967 03 30.30  22.20  26.25 
1967 04 32.70  22.50  27.60 
1967 05 34.00  23.50  28.75 
1967 06 32.80  23.70  28.25 
1967 07 31.90  22.90  27.40 
1967 08 31.00  23.20  27.10 
1967 09 32.30  23.10  27.70 
1967 11 30.10  22.40  26.25 
1967 12 29.20  22.10  25.65 
1968 01 28.70  22.10  25.40 
1968 02 29.60  21.40  25.50 
1968 03 31.40  22.60  27.00 
1968 04 32.59  23.20  27.90 
1968 05 34.70  23.40  29.05 
1968 06 33.50  23.40  28.45 
1968 07 32.70  23.20  27.95 
1968 08 31.70  23.30  27.50 
1968 09 32.00  23.10  27.55 
1968 10 31.00  22.70  26.85 
1968 11 29.70  21.50  25.60 
1968 12 28.60  22.70  25.65 
1969 01 29.30  21.60  25.45 
1969 02 30.50  21.10  25.80 
1969 03 31.70  22.40  27.05 
1969 04 33.30  24.20  28.75 
1969 05 34.20  24.50  29.35 
1969 06 33.00  23.70  28.35 
1969 07 31.40  23.30  27.34 
1969 08 31.70  22.80  27.25 
1969 09 31.70  23.20  27.45 
1969 10 31.90  22.70  27.30 
1969 11 30.80  22.50  26.65 
1969 12 29.70  23.00  26.35 
1970 01 29.80  22.70  26.25 
1970 02 30.10  22.60  26.35 
1970 03 31.30  22.90  27.09 
1970 04 32.50  23.20  27.85 
1970 05 33.70  23.70  28.70 
1970 06 32.40  23.30  27.85 
1970 07 31.80  22.70  27.25 
1970 08 31.70  22.90  27.30 
1970 09 32.20  22.50  27.35 
1970 10 31.40  22.80  27.09 
1970 11 31.10  22.90  27.00 
1970 12 30.40  23.30  26.84 
1971 01 28.50  21.60  25.05 
1971 02 28.50  22.60  25.55 
1971 03 29.40  22.10  25.75 
1971 04 31.80  21.80  26.80 
1971 05 32.59  22.90  27.75 
1971 06 31.80  22.30  27.05 
1971 07 31.10  22.40  26.75 
1971 08 31.90  22.60  27.25 
1971 09 32.70  22.60  27.65 
1971 10 30.30  22.40  26.34 
1971 11 30.40  22.50  26.45 
1971 12 30.50  23.20  26.85 
1972 01 28.50  22.00  25.25 
1972 02 30.60  22.60  26.60 
1972 03 30.40  22.00  26.20 
1972 04 32.09  23.20  27.65 
1972 05 33.90  22.90  28.40 
1972 06 32.70  22.90  27.80 
1972 07 31.50  23.40  27.45 
1972 08 32.20  22.20  27.20 
1972 09 31.60  22.60  27.10 
1972 10 32.20  22.60  27.40 
1972 11 30.90  23.30  27.09 
1972 12 30.20  22.70  26.45 
1973 01 30.70  20.90  25.80 
1973 02 30.10  21.90  26.00 
1973 03 32.70  22.60  27.65 
1973 04 33.00  23.50  28.25 
1973 05 34.30  23.90  29.09 
1973 06 33.50  23.60  28.55 
1973 07 32.50  23.20  27.85 
1973 08 31.80  22.80  27.30 
1973 09 31.90  22.60  27.25 
1973 10 31.60  23.10  27.35 
1973 11 30.90  23.00  26.95 
1973 12 29.30  23.00  26.15 
1974 01 28.80  22.00  25.40 
1974 02 29.20  22.80  26.00 
1974 03 30.00  22.20  26.10 
1974 04 32.40  23.40  27.90 
1974 05 33.30  23.20  28.25 
1974 06 32.50  22.80  27.65 
1974 07 32.20  22.40  27.30 
1974 08 32.20  23.00  27.60 
1974 09 33.09  21.90  27.50 
1974 10 31.40  22.10  26.75 
1974 11 30.40  22.30  26.34 
1974 12 29.50  22.70  26.10 
1975 01 28.90  22.10  25.50 
1975 02 29.80  22.10  25.95 
1975 03 31.30  22.80  27.05 
1975 04 31.50  23.60  27.55 
1975 05 33.09  23.60  28.34 
1975 06 32.90  23.00  27.95 
1975 07 32.40  22.00  27.20 
1975 08 32.30  22.90  27.59 
1975 09 32.30  22.90  27.59 
1975 10 32.00  22.20  27.10 
1975 11 30.80  22.40  26.59 
1975 12 28.90  22.50  25.70 
