1953 01 99.99 -99.99  24.70 
1953 02 99.99 -99.99  28.10 
1953 09 99.99 -99.99  26.70 
1953 10 99.99 -99.99  27.30 
1953 11 99.99 -99.99  27.10 
1953 12 99.99 -99.99  23.70 
1954 01 99.99 -99.99  24.90 
1954 02 99.99 -99.99  29.30 
1954 03 99.99 -99.99  30.20 
1954 05 99.99 -99.99  31.50 
1954 06 99.99 -99.99  28.10 
1954 07 99.99 -99.99  25.10 
1954 08 99.99 -99.99  25.10 
1954 09 99.99 -99.99  25.80 
1954 10 99.99 -99.99  27.10 
1954 11 99.99 -99.99  27.50 
1954 12 99.99 -99.99  24.90 
1955 01 99.99 -99.99  24.80 
1955 02 99.99 -99.99  27.70 
1955 03 99.99 -99.99  30.20 
1955 04 99.99 -99.99  31.90 
1955 05 99.99 -99.99  31.50 
1955 06 99.99 -99.99  28.50 
1955 07 99.99 -99.99  26.80 
1955 08 99.99 -99.99  25.30 
1955 09 99.99 -99.99  25.30 
1955 10 99.99 -99.99  27.50 
1955 11 99.99 -99.99  26.90 
1955 12 99.99 -99.99  24.30 
1956 01 99.99 -99.99  23.10 
1956 02 99.99 -99.99  27.80 
1956 03 99.99 -99.99  31.10 
1956 04 99.99 -99.99  31.60 
1956 05 99.99 -99.99  31.70 
1956 06 99.99 -99.99  29.50 
1956 07 99.99 -99.99  26.50 
1956 08 99.99 -99.99  25.00 
1956 09 99.99 -99.99  25.50 
1956 10 99.99 -99.99  26.50 
1956 11 99.99 -99.99  25.60 
1956 12 99.99 -99.99  25.20 
1957 01 99.99 -99.99  23.30 
1957 02 99.99 -99.99  23.90 
1957 03 99.99 -99.99  29.90 
1957 04 99.99 -99.99  30.30 
1957 05 99.99 -99.99  31.10 
1957 06 99.99 -99.99  28.50 
1957 07 99.99 -99.99  26.50 
1957 08 99.99 -99.99  25.10 
1957 09 99.99 -99.99  25.90 
1957 10 99.99 -99.99  27.10 
1957 11 99.99 -99.99  27.30 
1957 12 99.99 -99.99  25.60 
1958 01 99.99 -99.99  23.90 
1958 02 99.99 -99.99  24.20 
1958 03 99.99 -99.99  29.20 
1958 04 99.99 -99.99  32.09 
1958 05 99.99 -99.99  31.80 
1958 06 99.99 -99.99  27.30 
1958 07 99.99 -99.99  25.20 
1958 08 99.99 -99.99  24.70 
1958 09 99.99 -99.99  25.60 
1958 10 99.99 -99.99  26.90 
1958 11 99.99 -99.99  27.80 
1958 12 99.99 -99.99  25.90 
1959 01 99.99 -99.99  24.00 
1959 02 99.99 -99.99  24.30 
1959 03 99.99 -99.99  28.60 
1959 04 99.99 -99.99  31.50 
1959 05 99.99 -99.99  31.10 
1959 06 99.99 -99.99  29.10 
1959 07 99.99 -99.99  25.70 
1959 08 99.99 -99.99  24.10 
1959 09 99.99 -99.99  24.70 
1959 10 99.99 -99.99  26.00 
1959 11 99.99 -99.99  27.10 
1959 12 99.99 -99.99  25.50 
1960 01 99.99 -99.99  24.00 
1960 02 99.99 -99.99  27.20 
1960 03 99.99 -99.99  27.70 
1960 04 99.99 -99.99  31.30 
1960 05 99.99 -99.99  30.50 
1960 06 99.99 -99.99  28.60 
1960 07 99.99 -99.99  25.80 
1960 08 99.99 -99.99  25.70 
1960 09 99.99 -99.99  25.50 
1960 10 99.99 -99.99  27.30 
1960 11 99.99 -99.99  27.00 
1960 12 99.99 -99.99  27.10 
1961 04 99.99 -99.99  31.10 
1961 05 99.99 -99.99  32.20 
1961 06 99.99 -99.99  27.70 
1961 07 99.99 -99.99  24.80 
1961 08 99.99 -99.99  24.50 
1961 09 99.99 -99.99  25.00 
1961 10 99.99 -99.99  25.70 
1961 11 99.99 -99.99  25.60 
1962 01 99.99 -99.99  22.70 
1962 02 99.99 -99.99  25.50 
1962 03 99.99 -99.99  29.60 
1962 04 99.99 -99.99  31.30 
1962 05 99.99 -99.99  31.90 
1962 06 99.99 -99.99  28.50 
1962 07 99.99 -99.99  25.90 
1962 08 99.99 -99.99  24.50 
1962 09 99.99 -99.99  25.10 
1962 10 99.99 -99.99  26.30 
1962 11 99.99 -99.99  26.70 
1962 12 99.99 -99.99  25.30 
1963 01 99.99 -99.99  25.40 
1963 02 99.99 -99.99  26.50 
1963 03 99.99 -99.99  29.20 
1963 04 99.99 -99.99  30.50 
1963 05 99.99 -99.99  30.10 
1963 06 99.99 -99.99  29.50 
1963 07 99.99 -99.99  25.70 
1963 08 99.99 -99.99  25.10 
1963 09 99.99 -99.99  26.30 
1963 10 99.99 -99.99  27.70 
1963 11 99.99 -99.99  27.30 
1969 09 99.99 -99.99  26.10 
1971 01 99.99 -99.99  23.30 
1971 02 99.99 -99.99  25.60 
1971 03 99.99 -99.99  29.30 
1971 04 99.99 -99.99  30.70 
1971 05 99.99 -99.99  31.60 
1971 06 99.99 -99.99  29.20 
1971 07 99.99 -99.99  25.70 
1971 08 99.99 -99.99  24.60 
1971 09 99.99 -99.99  25.40 
1971 10 99.99 -99.99  26.80 
1971 11 99.99 -99.99  27.10 
1971 12 99.99 -99.99  22.30 
1972 01 99.99 -99.99  24.50 
1972 02 99.99 -99.99  24.90 
1972 03 99.99 -99.99  28.70 
1972 04 99.99 -99.99  31.70 
1972 05 99.99 -99.99  32.00 
1972 06 99.99 -99.99  28.60 
1972 07 99.99 -99.99  27.10 
1972 08 99.99 -99.99  26.70 
1972 09 99.99 -99.99  26.80 
1972 10 99.99 -99.99  28.80 
1972 11 99.99 -99.99  27.20 
1972 12 99.99 -99.99  24.30 
1973 01 99.99 -99.99  24.20 
1973 02 99.99 -99.99  28.30 
1973 03 99.99 -99.99  30.30 
1973 04 99.99 -99.99  33.30 
1973 05 99.99 -99.99  31.20 
1973 06 99.99 -99.99  29.90 
1973 07 99.99 -99.99  27.90 
1973 08 99.99 -99.99  26.20 
1973 09 99.99 -99.99  25.90 
1973 10 99.99 -99.99  27.30 
1973 11 99.99 -99.99  27.30 
1973 12 99.99 -99.99  25.70 
1974 01 99.99 -99.99  24.00 
1974 02 99.99 -99.99  27.50 
1974 03 99.99 -99.99  28.70 
1974 04 99.99 -99.99  32.90 
1974 05 99.99 -99.99  31.10 
1974 06 99.99 -99.99  28.70 
1974 07 99.99 -99.99  25.40 
1974 08 99.99 -99.99  25.10 
1974 09 99.99 -99.99  25.40 
1974 10 99.99 -99.99  28.10 
1974 11 99.99 -99.99  28.30 
1974 12 99.99 -99.99  25.30 
1975 01 99.99 -99.99  25.30 
1975 02 99.99 -99.99  29.10 
1975 03 99.99 -99.99  29.70 
1975 04 99.99 -99.99  32.30 
1975 05 99.99 -99.99  32.00 
1975 06 99.99 -99.99  28.40 
1975 07 99.99 -99.99  25.50 
1975 08 99.99 -99.99  24.60 
1975 09 99.99 -99.99  25.30 
1975 10 99.99 -99.99  26.90 
1975 11 99.99 -99.99  28.50 
1975 12 99.99 -99.99  25.40 
1981 11 99.99 -99.99  29.10 
1987 01 99.99 -99.99  25.60 
1987 02 99.99 -99.99  29.00 
1987 04 99.99 -99.99  33.30 
1987 05 99.99 -99.99  31.20 
1987 06 99.99 -99.99  25.10 
1987 08 99.99 -99.99  26.50 
1987 09 99.99 -99.99  28.50 
1987 10 99.99 -99.99  28.60 
1988 01 99.99 -99.99  26.00 
1988 03 99.99 -99.99  31.70 
1988 04 99.99 -99.99  33.50 
1988 06 99.99 -99.99  29.00 
1988 07 99.99 -99.99  26.50 
1988 11 99.99 -99.99  29.10 
1988 12 99.99 -99.99  27.30 
1989 01 99.99 -99.99  22.80 
1989 02 99.99 -99.99  24.50 
1989 05 99.99 -99.99  30.40 
1989 07 99.99 -99.99  27.10 
1989 08 99.99 -99.99  27.00 
1989 09 99.99 -99.99  27.00 
1990 01 99.99 -99.99  26.40 
1990 02 99.99 -99.99  25.90 
1990 03 99.99 -99.99  28.70 
1990 08 99.99 -99.99  27.70 
1990 11 99.99 -99.99  30.70 
1991 10 99.99 -99.99  29.90 
