1961 01 99.99 -99.99  11.50 
1961 02 99.99 -99.99  10.50 
1961 03 99.99 -99.99  11.00 
1961 04 99.99 -99.99  11.80 
1961 05 99.99 -99.99  10.90 
1961 06 99.99 -99.99  10.30 
1961 07 99.99 -99.99   9.70 
1961 08 99.99 -99.99   9.30 
1961 09 99.99 -99.99   9.39 
1961 10 99.99 -99.99  10.60 
1961 11 99.99 -99.99  10.40 
1961 12 99.99 -99.99  10.40 
1962 01 99.99 -99.99  11.00 
1962 02 99.99 -99.99  11.00 
1962 03 99.99 -99.99  10.70 
1962 04 99.99 -99.99  10.80 
1962 05 99.99 -99.99  11.20 
1962 06 99.99 -99.99   9.89 
1962 07 99.99 -99.99   9.70 
1962 08 99.99 -99.99   9.50 
1962 09 99.99 -99.99  10.00 
1962 10 99.99 -99.99  10.80 
1962 11 99.99 -99.99  11.20 
1962 12 99.99 -99.99  10.10 
1963 01 99.99 -99.99  10.80 
1963 02 99.99 -99.99  10.50 
1963 03 99.99 -99.99  11.20 
1963 04 99.99 -99.99  11.30 
1963 05 99.99 -99.99  10.60 
1963 06 99.99 -99.99  10.10 
1963 07 99.99 -99.99   9.39 
1963 08 99.99 -99.99   9.20 
1963 09 99.99 -99.99   9.60 
1963 10 99.99 -99.99  10.40 
1963 11 99.99 -99.99  10.50 
1963 12 99.99 -99.99  11.20 
1964 01 99.99 -99.99  10.80 
1964 02 99.99 -99.99  11.30 
1964 03 99.99 -99.99  10.50 
1964 04 99.99 -99.99  11.50 
1964 05 99.99 -99.99  11.10 
1964 06 99.99 -99.99  10.20 
1964 07 99.99 -99.99  10.00 
1964 08 99.99 -99.99   9.70 
1964 09 99.99 -99.99   9.89 
1964 10 99.99 -99.99  10.40 
1964 11 99.99 -99.99  10.90 
1964 12 99.99 -99.99  10.70 
1965 01 99.99 -99.99  10.80 
1965 02 99.99 -99.99  10.30 
1965 03 99.99 -99.99  10.70 
1965 04 99.99 -99.99  11.00 
1965 05 99.99 -99.99  11.20 
1965 06 99.99 -99.99  10.10 
1965 07 99.99 -99.99  10.10 
1965 08 99.99 -99.99   9.80 
1965 09 99.99 -99.99  10.90 
1965 10 99.99 -99.99  11.10 
1965 11 99.99 -99.99  11.70 
1965 12 99.99 -99.99  11.20 
1966 01 99.99 -99.99  10.90 
1966 02 99.99 -99.99  11.00 
1966 03 99.99 -99.99  10.80 
1966 04 99.99 -99.99  11.20 
1966 05 99.99 -99.99  11.70 
1966 06 99.99 -99.99  10.40 
1966 07 99.99 -99.99   9.89 
1966 08 99.99 -99.99  10.20 
1966 09 99.99 -99.99  10.20 
1966 10 99.99 -99.99  11.20 
1966 11 99.99 -99.99  11.40 
1966 12 99.99 -99.99  11.30 
1967 01 99.99 -99.99  10.80 
1967 02 99.99 -99.99  11.10 
1967 03 99.99 -99.99  11.10 
1967 04 99.99 -99.99  10.90 
1967 05 99.99 -99.99  11.20 
1967 06 99.99 -99.99  10.10 
1967 07 99.99 -99.99   9.80 
1967 08 99.99 -99.99   9.39 
1967 09 99.99 -99.99   9.80 
1967 10 99.99 -99.99  10.90 
1967 11 99.99 -99.99  11.50 
1967 12 99.99 -99.99  11.00 
1968 01 99.99 -99.99  10.30 
1968 02 99.99 -99.99  10.70 
1968 03 99.99 -99.99  10.00 
1968 04 99.99 -99.99  11.20 
1968 05 99.99 -99.99  10.80 
1968 06 99.99 -99.99  10.40 
1968 07 99.99 -99.99   9.70 
1968 08 99.99 -99.99   9.70 
1968 09 99.99 -99.99  10.60 
1968 10 99.99 -99.99  10.80 
1968 11 99.99 -99.99  11.00 
1968 12 99.99 -99.99  10.70 
1969 01 99.99 -99.99  10.60 
1969 02 99.99 -99.99  11.20 
1969 03 99.99 -99.99  11.20 
1969 04 99.99 -99.99  12.00 
1969 05 99.99 -99.99  11.40 
1969 06 99.99 -99.99  11.50 
1969 07 99.99 -99.99  10.00 
1969 08 99.99 -99.99   9.89 
1969 09 99.99 -99.99  10.90 
1969 10 99.99 -99.99  11.00 
1969 11 99.99 -99.99  11.50 
1969 12 99.99 -99.99  11.30 
1970 01 99.99 -99.99  11.30 
1970 02 99.99 -99.99  11.60 
1970 03 99.99 -99.99  11.40 
1970 04 99.99 -99.99  11.50 
1970 05 99.99 -99.99  11.60 
1970 06 99.99 -99.99  10.60 
1970 07 99.99 -99.99   9.89 
1970 08 99.99 -99.99   9.80 
1970 09 99.99 -99.99  10.30 
1970 10 99.99 -99.99  11.20 
1970 11 99.99 -99.99  11.10 
1970 12 99.99 -99.99  10.90 
1971 01 99.99 -99.99  11.00 
1971 02 99.99 -99.99  10.40 
1971 03 99.99 -99.99  10.90 
1971 04 99.99 -99.99  10.70 
1971 05 99.99 -99.99  12.40 
1971 06 99.99 -99.99   9.80 
1971 07 99.99 -99.99   9.80 
1971 08 99.99 -99.99   9.80 
1971 09 99.99 -99.99  10.10 
1971 10 99.99 -99.99  11.10 
1971 11 99.99 -99.99  11.20 
1971 12 99.99 -99.99  10.30 
1972 01 99.99 -99.99  11.30 
1972 02 99.99 -99.99  10.90 
1972 03 99.99 -99.99  11.20 
1972 04 99.99 -99.99  10.80 
1972 05 99.99 -99.99  12.00 
1972 06 99.99 -99.99  10.80 
1972 07 99.99 -99.99  11.00 
1972 08 99.99 -99.99  10.50 
1972 09 99.99 -99.99  11.20 
1972 10 99.99 -99.99  11.60 
1972 11 99.99 -99.99  12.00 
1972 12 99.99 -99.99  11.80 
1973 01 99.99 -99.99  11.40 
1973 02 99.99 -99.99  11.70 
1973 03 99.99 -99.99  11.90 
1973 04 99.99 -99.99  11.90 
1973 05 99.99 -99.99  11.50 
1973 06 99.99 -99.99  11.70 
1973 07 99.99 -99.99  11.70 
1973 08 99.99 -99.99  11.20 
1973 09 99.99 -99.99  11.20 
1973 10 99.99 -99.99  12.00 
1973 11 99.99 -99.99  12.50 
1973 12 99.99 -99.99  11.70 
1974 01 99.99 -99.99  11.00 
1974 02 99.99 -99.99  11.50 
1974 03 99.99 -99.99  11.40 
1974 04 99.99 -99.99  11.90 
1974 05 99.99 -99.99  11.70 
1974 06 99.99 -99.99  11.00 
1974 07 99.99 -99.99  10.40 
1974 08 99.99 -99.99  10.90 
1974 09 99.99 -99.99  10.80 
1974 10 99.99 -99.99  11.40 
1974 11 99.99 -99.99  11.70 
1974 12 99.99 -99.99  11.50 
1975 01 99.99 -99.99  11.40 
1975 02 99.99 -99.99  11.50 
1975 03 99.99 -99.99  11.20 
1975 04 99.99 -99.99  11.80 
1975 05 99.99 -99.99  11.90 
1975 06 99.99 -99.99  11.10 
1975 07 99.99 -99.99  10.30 
1975 08 99.99 -99.99  10.40 
1975 09 99.99 -99.99  10.30 
1975 10 99.99 -99.99  10.90 
1975 11 99.99 -99.99  11.40 
1975 12 99.99 -99.99  11.00 
1976 01 99.99 -99.99  10.60 
1976 02 99.99 -99.99  10.80 
1976 03 99.99 -99.99  11.30 
1976 04 99.99 -99.99  11.60 
1976 05 99.99 -99.99  11.10 
1976 06 99.99 -99.99  10.50 
1976 07 99.99 -99.99   9.70 
1976 08 99.99 -99.99   9.80 
1976 09 99.99 -99.99  10.60 
1976 10 99.99 -99.99  11.50 
1976 11 99.99 -99.99  11.20 
1976 12 99.99 -99.99  11.40 
1977 01 99.99 -99.99  11.70 
1977 02 99.99 -99.99  11.20 
1977 03 99.99 -99.99  11.50 
1977 04 99.99 -99.99  11.40 
1977 05 99.99 -99.99  11.40 
1977 06 99.99 -99.99  10.70 
1977 07 99.99 -99.99  10.50 
1977 08 99.99 -99.99  10.60 
1977 09 99.99 -99.99  10.80 
1977 10 99.99 -99.99  12.00 
1977 11 99.99 -99.99  11.60 
1977 12 99.99 -99.99  12.00 
1978 01 99.99 -99.99  11.10 
1978 02 99.99 -99.99  12.00 
1978 03 99.99 -99.99  11.60 
1978 04 99.99 -99.99  12.00 
1978 05 99.99 -99.99  11.70 
1978 06 99.99 -99.99  10.70 
1978 07 99.99 -99.99  10.20 
1978 08 99.99 -99.99   9.60 
1978 09 99.99 -99.99  10.90 
1978 10 99.99 -99.99  11.60 
1978 11 99.99 -99.99  11.90 
1978 12 99.99 -99.99  12.00 
1979 01 99.99 -99.99  11.70 
1979 02 99.99 -99.99  11.50 
1979 03 99.99 -99.99  11.90 
1979 04 99.99 -99.99  11.80 
1979 05 99.99 -99.99  12.10 
1979 06 99.99 -99.99  10.60 
1979 07 99.99 -99.99  10.70 
1979 08 99.99 -99.99  11.30 
1979 09 99.99 -99.99  11.60 
1979 10 99.99 -99.99  11.30 
1979 11 99.99 -99.99  11.30 
1979 12 99.99 -99.99  11.50 
1980 01 99.99 -99.99  11.60 
1980 02 99.99 -99.99  12.10 
1980 03 99.99 -99.99  11.30 
1980 04 99.99 -99.99  11.80 
1980 05 99.99 -99.99  11.60 
1980 06 99.99 -99.99  11.30 
1980 07 99.99 -99.99  10.50 
1980 08 99.99 -99.99  10.60 
1980 09 99.99 -99.99  11.20 
1980 10 99.99 -99.99  11.60 
1980 11 99.99 -99.99  11.80 
1980 12 99.99 -99.99  11.90 
