1955 01 99.99 -99.99   4.80 
1955 02 99.99 -99.99   4.69 
1955 03 99.99 -99.99   5.50 
1955 04 99.99 -99.99   5.00 
1955 05 99.99 -99.99   4.90 
1955 06 99.99 -99.99   3.70 
1955 07 99.99 -99.99   4.00 
1955 08 99.99 -99.99   4.00 
1955 09 99.99 -99.99   4.80 
1955 10 99.99 -99.99   5.50 
1955 11 99.99 -99.99   7.60 
1955 12 99.99 -99.99   6.60 
1956 01 99.99 -99.99   3.30 
1956 02 99.99 -99.99   3.90 
1956 03 99.99 -99.99   4.09 
1956 04 99.99 -99.99   3.90 
1956 05 99.99 -99.99   3.50 
1956 06 99.99 -99.99   4.30 
1956 07 99.99 -99.99   4.09 
1956 08 99.99 -99.99   4.09 
1956 09 99.99 -99.99   4.09 
1956 10 99.99 -99.99   4.30 
1956 11 99.99 -99.99   4.09 
1956 12 99.99 -99.99   4.69 
1957 01 99.99 -99.99   3.80 
1957 02 99.99 -99.99   5.40 
1957 03 99.99 -99.99   4.40 
1957 04 99.99 -99.99   5.50 
1957 05 99.99 -99.99   4.80 
1957 06 99.99 -99.99   4.69 
1957 07 99.99 -99.99   5.20 
1957 08 99.99 -99.99   3.70 
1957 09 99.99 -99.99   4.40 
1957 10 99.99 -99.99   4.59 
1957 11 99.99 -99.99   5.00 
1957 12 99.99 -99.99   5.70 
1958 01 99.99 -99.99   6.00 
1958 02 99.99 -99.99   5.30 
1958 03 99.99 -99.99   5.60 
1958 04 99.99 -99.99   5.90 
1958 05 99.99 -99.99   5.80 
1958 06 99.99 -99.99   5.40 
1958 07 99.99 -99.99   4.09 
1958 08 99.99 -99.99   5.30 
1958 09 99.99 -99.99   4.59 
1958 10 99.99 -99.99   4.19 
1958 11 99.99 -99.99   4.50 
1958 12 99.99 -99.99   5.50 
1959 01 99.99 -99.99   4.19 
1959 02 99.99 -99.99   4.19 
1959 03 99.99 -99.99   4.69 
1959 04 99.99 -99.99   4.50 
1959 05 99.99 -99.99   4.00 
1959 06 99.99 -99.99   4.50 
1959 07 99.99 -99.99   5.00 
1959 08 99.99 -99.99   4.80 
1959 09 99.99 -99.99   3.70 
1959 10 99.99 -99.99   4.40 
1959 11 99.99 -99.99   4.59 
1959 12 99.99 -99.99   4.59 
1960 01 99.99 -99.99   5.20 
1960 02 99.99 -99.99   4.80 
1960 03 99.99 -99.99   4.90 
1960 04 99.99 -99.99   3.90 
1960 05 99.99 -99.99   4.90 
1960 06 99.99 -99.99   5.00 
1960 07 99.99 -99.99   4.69 
1960 08 99.99 -99.99   4.80 
1960 09 99.99 -99.99   4.19 
1960 10 99.99 -99.99   5.00 
1960 11 99.99 -99.99   4.69 
1960 12 99.99 -99.99   5.09 
1961 01 99.99 -99.99   5.50 
1961 02 99.99 -99.99   4.50 
1961 03 99.99 -99.99   5.00 
1961 04 99.99 -99.99   4.69 
1961 05 99.99 -99.99   4.69 
1961 06 99.99 -99.99   3.20 
1961 07 99.99 -99.99   3.20 
1961 08 99.99 -99.99   2.50 
1961 09 99.99 -99.99   3.40 
1961 10 99.99 -99.99   4.40 
1961 11 99.99 -99.99   3.90 
1961 12 99.99 -99.99   3.70 
1962 01 99.99 -99.99   4.09 
1962 02 99.99 -99.99   4.40 
1962 03 99.99 -99.99   4.19 
1962 04 99.99 -99.99   3.70 
1962 05 99.99 -99.99   4.00 
1962 06 99.99 -99.99   3.00 
1962 07 99.99 -99.99   3.00 
1962 08 99.99 -99.99   2.90 
1962 09 99.99 -99.99   3.60 
1962 10 99.99 -99.99   4.50 
1962 11 99.99 -99.99   4.30 
1962 12 99.99 -99.99   4.80 
1963 01 99.99 -99.99   4.40 
1963 02 99.99 -99.99   3.60 
1963 03 99.99 -99.99   4.50 
1963 04 99.99 -99.99   4.09 
1963 05 99.99 -99.99   3.20 
1963 06 99.99 -99.99   3.00 
1963 07 99.99 -99.99   2.40 
1963 08 99.99 -99.99   3.40 
1963 09 99.99 -99.99   4.30 
1963 10 99.99 -99.99   4.50 
1963 11 99.99 -99.99   4.09 
1963 12 99.99 -99.99   4.59 
1964 01 99.99 -99.99   5.40 
1964 02 99.99 -99.99   5.20 
1964 03 99.99 -99.99   4.00 
1964 04 99.99 -99.99   3.90 
1964 05 99.99 -99.99   3.50 
1964 06 99.99 -99.99   3.00 
1964 07 99.99 -99.99   3.00 
1964 08 99.99 -99.99   3.80 
1964 09 99.99 -99.99   3.50 
1964 10 99.99 -99.99   3.50 
1964 11 99.99 -99.99   3.20 
1964 12 99.99 -99.99   3.50 
1965 01 99.99 -99.99   3.70 
1965 02 99.99 -99.99   3.90 
1965 03 99.99 -99.99   4.90 
1965 04 99.99 -99.99   4.09 
1965 05 99.99 -99.99   3.50 
1965 06 99.99 -99.99   2.29 
1965 07 99.99 -99.99   2.80 
1965 08 99.99 -99.99   2.70 
1965 09 99.99 -99.99   3.60 
1965 10 99.99 -99.99   4.69 
1965 11 99.99 -99.99   5.09 
1965 12 99.99 -99.99   4.30 
1966 01 99.99 -99.99   5.20 
1966 04 99.99 -99.99   4.40 
1966 05 99.99 -99.99   4.09 
1966 08 99.99 -99.99   3.10 
1966 09 99.99 -99.99   3.40 
1966 10 99.99 -99.99   3.40 
1966 11 99.99 -99.99   4.00 
1966 12 99.99 -99.99   4.09 
1967 01 99.99 -99.99   4.69 
1967 02 99.99 -99.99   3.60 
1967 03 99.99 -99.99   3.50 
1967 04 99.99 -99.99   3.30 
1967 05 99.99 -99.99   4.50 
1967 06 99.99 -99.99   3.10 
1967 07 99.99 -99.99   3.40 
1968 04 99.99 -99.99   4.50 
1968 05 99.99 -99.99   3.30 
1968 06 99.99 -99.99   2.60 
1968 07 99.99 -99.99   2.60 
1968 08 99.99 -99.99   3.50 
1968 09 99.99 -99.99   3.80 
1968 10 99.99 -99.99   5.00 
1968 11 99.99 -99.99   5.40 
1968 12 99.99 -99.99   6.10 
1970 02 99.99 -99.99   5.00 
1970 03 99.99 -99.99   4.69 
1970 09 99.99 -99.99   4.50 
1970 11 99.99 -99.99   5.60 
1970 12 99.99 -99.99   5.80 
1971 01 99.99 -99.99   5.00 
1971 02 99.99 -99.99   4.50 
1971 03 99.99 -99.99   5.00 
1971 04 99.99 -99.99   4.80 
1971 05 99.99 -99.99   4.19 
1971 06 99.99 -99.99   3.10 
1971 07 99.99 -99.99   2.50 
1971 08 99.99 -99.99   2.29 
1971 09 99.99 -99.99   3.40 
1971 10 99.99 -99.99   4.00 
1971 11 99.99 -99.99   4.19 
1971 12 99.99 -99.99   4.50 
1972 01 99.99 -99.99   4.50 
1972 02 99.99 -99.99   4.80 
1972 03 99.99 -99.99   3.50 
1972 05 99.99 -99.99   4.50 
1974 06 99.99 -99.99   4.69 
1974 07 99.99 -99.99   3.70 
1974 08 99.99 -99.99   4.59 
1974 10 99.99 -99.99   5.90 
1974 11 99.99 -99.99   5.60 
1974 12 99.99 -99.99   6.10 
1975 01 99.99 -99.99   5.60 
1975 02 99.99 -99.99   5.40 
1975 03 99.99 -99.99   5.50 
1975 04 99.99 -99.99   5.80 
1975 06 99.99 -99.99   5.00 
1975 07 99.99 -99.99   4.80 
1975 08 99.99 -99.99   4.80 
1975 09 99.99 -99.99   4.40 
1975 10 99.99 -99.99   5.30 
1975 11 99.99 -99.99   5.30 
1975 12 99.99 -99.99   5.50 
1976 02 99.99 -99.99   6.30 
1976 05 99.99 -99.99   7.10 
1976 06 99.99 -99.99   5.00 
1976 07 99.99 -99.99   3.50 
1976 08 99.99 -99.99   4.59 
1976 09 99.99 -99.99   5.90 
1976 10 99.99 -99.99   6.90 
1976 11 99.99 -99.99   6.70 
1976 12 99.99 -99.99   7.70 
1977 01 99.99 -99.99   7.80 
1977 02 99.99 -99.99   5.60 
1977 03 99.99 -99.99   5.20 
1977 04 99.99 -99.99   5.70 
1977 05 99.99 -99.99   4.30 
1977 06 99.99 -99.99   4.90 
1977 07 99.99 -99.99   4.19 
1977 08 99.99 -99.99   6.20 
1977 09 99.99 -99.99   5.50 
1977 10 99.99 -99.99   6.60 
1977 11 99.99 -99.99   7.00 
1977 12 99.99 -99.99   7.60 
1978 01 99.99 -99.99   6.40 
1979 02 99.99 -99.99   6.30 
1979 03 99.99 -99.99   5.90 
1979 05 99.99 -99.99   5.80 
1979 06 99.99 -99.99   5.20 
1979 09 99.99 -99.99   6.20 
1979 10 99.99 -99.99   6.60 
1979 12 99.99 -99.99   6.00 
1980 01 99.99 -99.99   6.60 
1980 02 99.99 -99.99   7.80 
1980 03 99.99 -99.99   6.30 
1980 05 99.99 -99.99   6.40 
1980 07 99.99 -99.99   5.00 
1980 08 99.99 -99.99   5.70 
1980 09 99.99 -99.99   6.60 
1980 10 99.99 -99.99   6.20 
1980 11 99.99 -99.99   7.00 
1980 12 99.99 -99.99   6.80 
1981 01 99.99 -99.99   6.20 
1981 02 99.99 -99.99   6.20 
1981 03 99.99 -99.99   8.60 
1981 04 99.99 -99.99   6.90 
1981 05 99.99 -99.99   6.10 
1981 06 99.99 -99.99   6.30 
1981 07 99.99 -99.99   5.40 
1981 08 99.99 -99.99   5.40 
1981 09 99.99 -99.99   6.60 
1981 10 99.99 -99.99   6.60 
1981 11 99.99 -99.99   6.40 
1981 12 99.99 -99.99   6.70 
