1952 01 99.99 -99.99  26.10 
1952 02 99.99 -99.99  25.90 
1952 03 99.99 -99.99  26.30 
1952 04 99.99 -99.99  26.40 
1952 05 99.99 -99.99  26.30 
1952 06 99.99 -99.99  25.60 
1952 07 99.99 -99.99  25.20 
1952 08 99.99 -99.99  24.90 
1952 09 99.99 -99.99  25.20 
1952 10 99.99 -99.99  25.10 
1952 11 99.99 -99.99  25.10 
1952 12 99.99 -99.99  25.60 
1953 01 99.99 -99.99  26.30 
1953 02 99.99 -99.99  25.90 
1953 03 99.99 -99.99  26.30 
1953 04 99.99 -99.99  26.10 
1953 05 99.99 -99.99  26.30 
1953 06 99.99 -99.99  25.20 
1953 07 99.99 -99.99  25.00 
1953 08 99.99 -99.99  24.90 
1953 09 99.99 -99.99  25.50 
1953 10 99.99 -99.99  24.90 
1953 11 99.99 -99.99  24.90 
1953 12 99.99 -99.99  25.40 
1954 01 99.99 -99.99  25.10 
1954 02 99.99 -99.99  25.20 
1954 03 99.99 -99.99  26.10 
1954 04 99.99 -99.99  25.70 
1954 05 99.99 -99.99  25.90 
1954 06 99.99 -99.99  25.20 
1954 07 99.99 -99.99  24.20 
1954 08 99.99 -99.99  24.20 
1954 09 99.99 -99.99  24.90 
1954 10 99.99 -99.99  24.70 
1954 11 99.99 -99.99  24.70 
1954 12 99.99 -99.99  24.90 
1955 01 99.99 -99.99  25.30 
1955 02 99.99 -99.99  25.80 
1955 03 99.99 -99.99  25.60 
1955 04 99.99 -99.99  25.40 
1955 05 99.99 -99.99  25.60 
1955 06 99.99 -99.99  24.90 
1955 07 99.99 -99.99  24.30 
1955 08 99.99 -99.99  24.50 
1955 09 99.99 -99.99  24.90 
1955 10 99.99 -99.99  24.80 
1955 11 99.99 -99.99  25.10 
1955 12 99.99 -99.99  24.70 
1956 01 99.99 -99.99  23.70 
1956 02 99.99 -99.99  25.50 
1956 03 99.99 -99.99  25.90 
1956 04 99.99 -99.99  25.60 
1956 05 99.99 -99.99  25.90 
1956 06 99.99 -99.99  25.00 
1956 07 99.99 -99.99  24.00 
1956 08 99.99 -99.99  24.10 
1956 09 99.99 -99.99  24.60 
1956 10 99.99 -99.99  24.60 
1956 11 99.99 -99.99  24.90 
1956 12 99.99 -99.99  25.00 
1957 01 99.99 -99.99  24.70 
1957 02 99.99 -99.99  25.70 
1957 03 99.99 -99.99  25.70 
1957 04 99.99 -99.99  25.90 
1957 05 99.99 -99.99  26.30 
1957 06 99.99 -99.99  25.90 
1957 07 99.99 -99.99  24.90 
1957 08 99.99 -99.99  24.90 
1957 09 99.99 -99.99  25.30 
1957 10 99.99 -99.99  25.20 
1957 11 99.99 -99.99  25.00 
1957 12 99.99 -99.99  25.40 
1958 01 99.99 -99.99  26.40 
1958 02 99.99 -99.99  26.40 
1958 03 99.99 -99.99  26.80 
1958 04 99.99 -99.99  26.70 
1958 05 99.99 -99.99  26.70 
1958 06 99.99 -99.99  25.20 
1958 07 99.99 -99.99  24.50 
1958 08 99.99 -99.99  24.70 
1958 09 99.99 -99.99  25.10 
1958 10 99.99 -99.99  25.10 
1958 11 99.99 -99.99  25.00 
1958 12 99.99 -99.99  25.60 
1959 01 99.99 -99.99  25.10 
1959 02 99.99 -99.99  26.40 
1959 03 99.99 -99.99  26.00 
1959 04 99.99 -99.99  26.60 
1959 05 99.99 -99.99  25.90 
1959 06 99.99 -99.99  25.60 
1959 07 99.99 -99.99  24.50 
1959 08 99.99 -99.99  24.70 
1959 09 99.99 -99.99  24.70 
1959 10 99.99 -99.99  25.60 
1959 11 99.99 -99.99  25.30 
1959 12 99.99 -99.99  25.80 
1960 01 99.99 -99.99  25.50 
1960 02 99.99 -99.99  25.60 
1960 03 99.99 -99.99  25.30 
1960 04 99.99 -99.99  25.60 
1960 05 99.99 -99.99  25.80 
1960 06 99.99 -99.99  24.90 
1960 07 99.99 -99.99  24.50 
1960 08 99.99 -99.99  24.80 
1960 09 99.99 -99.99  24.80 
1960 10 99.99 -99.99  24.80 
1960 11 99.99 -99.99  25.20 
1960 12 99.99 -99.99  25.60 
1961 01 99.99 -99.99  25.20 
1961 02 99.99 -99.99  25.40 
1961 03 99.99 -99.99  25.90 
1961 04 99.99 -99.99  25.90 
1961 05 99.99 -99.99  26.30 
1961 06 99.99 -99.99  25.10 
1961 07 99.99 -99.99  24.80 
1961 08 99.99 -99.99  24.20 
1961 09 99.99 -99.99  24.90 
1961 10 99.99 -99.99  24.80 
1961 11 99.99 -99.99  24.90 
1961 12 99.99 -99.99  25.50 
1962 01 99.99 -99.99  25.20 
1962 02 99.99 -99.99  26.20 
1962 03 99.99 -99.99  25.40 
1962 04 99.99 -99.99  26.00 
1962 05 99.99 -99.99  25.90 
1962 06 99.99 -99.99  24.70 
1962 07 99.99 -99.99  24.70 
1962 08 99.99 -99.99  24.70 
1962 09 99.99 -99.99  25.10 
1962 10 99.99 -99.99  25.40 
1962 11 99.99 -99.99  25.40 
1962 12 99.99 -99.99  25.70 
1963 01 99.99 -99.99  25.20 
1963 02 99.99 -99.99  26.30 
1963 03 99.99 -99.99  26.00 
1963 04 99.99 -99.99  26.10 
1963 05 99.99 -99.99  25.90 
1963 06 99.99 -99.99  25.70 
1963 07 99.99 -99.99  24.80 
1963 08 99.99 -99.99  24.60 
1963 09 99.99 -99.99  25.60 
1963 10 99.99 -99.99  24.50 
1963 11 99.99 -99.99  24.80 
1963 12 99.99 -99.99  25.50 
1964 01 99.99 -99.99  25.80 
1964 02 99.99 -99.99  26.60 
1964 03 99.99 -99.99  26.20 
1964 04 99.99 -99.99  26.00 
1964 05 99.99 -99.99  25.50 
1964 06 99.99 -99.99  24.80 
1964 07 99.99 -99.99  24.50 
1964 08 99.99 -99.99  24.20 
1964 09 99.99 -99.99  25.00 
1964 10 99.99 -99.99  24.10 
1964 11 99.99 -99.99  24.70 
1964 12 99.99 -99.99  24.70 
1965 01 99.99 -99.99  24.90 
1965 02 99.99 -99.99  25.40 
1965 03 99.99 -99.99  25.60 
1965 04 99.99 -99.99  25.80 
1965 05 99.99 -99.99  25.60 
1965 06 99.99 -99.99  25.50 
1965 07 99.99 -99.99  24.60 
1965 08 99.99 -99.99  24.40 
1965 09 99.99 -99.99  25.10 
1965 10 99.99 -99.99  25.00 
1965 11 99.99 -99.99  25.00 
1965 12 99.99 -99.99  25.50 
1966 01 99.99 -99.99  25.90 
1966 02 99.99 -99.99  26.10 
1966 03 99.99 -99.99  26.00 
1966 04 99.99 -99.99  25.40 
1966 05 99.99 -99.99  26.10 
1966 06 99.99 -99.99  25.20 
1966 07 99.99 -99.99  24.60 
1966 08 99.99 -99.99  24.80 
1966 09 99.99 -99.99  24.60 
1966 10 99.99 -99.99  24.90 
1966 11 99.99 -99.99  25.30 
1966 12 99.99 -99.99  25.20 
1967 01 99.99 -99.99  25.60 
1967 02 99.99 -99.99  26.80 
1967 03 99.99 -99.99  26.70 
1967 04 99.99 -99.99  26.20 
1967 05 99.99 -99.99  26.30 
1967 06 99.99 -99.99  25.30 
1967 07 99.99 -99.99  24.20 
1967 08 99.99 -99.99  24.20 
1967 09 99.99 -99.99  24.90 
1967 10 99.99 -99.99  25.10 
1967 11 99.99 -99.99  24.90 
1967 12 99.99 -99.99  25.40 
1968 01 99.99 -99.99  24.90 
1968 02 99.99 -99.99  25.50 
1968 03 99.99 -99.99  25.10 
1968 04 99.99 -99.99  25.90 
1968 05 99.99 -99.99  25.30 
1968 06 99.99 -99.99  24.90 
1968 07 99.99 -99.99  24.80 
1968 08 99.99 -99.99  24.80 
1968 09 99.99 -99.99  24.90 
1968 10 99.99 -99.99  24.80 
1968 11 99.99 -99.99  25.30 
1968 12 99.99 -99.99  24.70 
1969 01 99.99 -99.99  25.50 
1969 02 99.99 -99.99  26.20 
1969 03 99.99 -99.99  26.20 
1969 04 99.99 -99.99  26.00 
1969 05 99.99 -99.99  26.00 
1969 06 99.99 -99.99  25.60 
1969 07 99.99 -99.99  24.50 
1969 08 99.99 -99.99  24.60 
1969 09 99.99 -99.99  24.80 
1969 10 99.99 -99.99  24.90 
1969 11 99.99 -99.99  25.00 
1969 12 99.99 -99.99  25.20 
1970 01 99.99 -99.99  25.60 
1970 02 99.99 -99.99  26.30 
1970 03 99.99 -99.99  26.40 
1970 04 99.99 -99.99  26.60 
1970 05 99.99 -99.99  26.20 
1970 06 99.99 -99.99  25.00 
1970 07 99.99 -99.99  24.70 
1970 08 99.99 -99.99  24.50 
1970 09 99.99 -99.99  24.90 
1970 10 99.99 -99.99  25.30 
1970 11 99.99 -99.99  25.40 
1970 12 99.99 -99.99  24.90 
1971 01 99.99 -99.99  24.00 
1971 11 99.99 -99.99  23.60 
1971 12 99.99 -99.99  23.60 
1972 12 99.99 -99.99  25.00 
1973 01 99.99 -99.99  25.40 
