1951 01 99.99 -99.99  14.40 
1951 02 99.99 -99.99  13.90 
1951 03 99.99 -99.99  15.10 
1951 04 99.99 -99.99  17.29 
1951 05 99.99 -99.99  19.10 
1951 06 99.99 -99.99  22.80 
1951 07 99.99 -99.99  26.10 
1951 08 99.99 -99.99  27.20 
1951 09 99.99 -99.99  26.00 
1951 10 99.99 -99.99  23.70 
1951 11 99.99 -99.99  19.60 
1951 12 99.99 -99.99  17.10 
1952 01 99.99 -99.99  15.00 
1952 02 99.99 -99.99  14.50 
1952 03 99.99 -99.99  15.40 
1952 04 99.99 -99.99  18.10 
1952 05 99.99 -99.99  19.79 
1952 06 99.99 -99.99  23.40 
1952 07 99.99 -99.99  25.90 
1952 08 99.99 -99.99  27.10 
1952 09 99.99 -99.99  27.30 
1952 10 99.99 -99.99  23.80 
1952 11 99.99 -99.99  21.30 
1952 12 99.99 -99.99  16.90 
1953 01 99.99 -99.99  13.90 
1953 02 99.99 -99.99  13.90 
1953 03 99.99 -99.99  16.20 
1953 04 99.99 -99.99  16.70 
1953 05 99.99 -99.99  19.10 
1953 06 99.99 -99.99  23.40 
1953 07 99.99 -99.99  25.80 
1953 08 99.99 -99.99  27.00 
1953 09 99.99 -99.99  26.90 
1953 10 99.99 -99.99  23.30 
1953 11 99.99 -99.99  19.70 
1953 12 99.99 -99.99  18.20 
1954 01 99.99 -99.99  15.90 
1954 02 99.99 -99.99  14.40 
1954 03 99.99 -99.99  15.80 
1954 04 99.99 -99.99  19.10 
1954 05 99.99 -99.99  20.90 
1954 06 99.99 -99.99  23.20 
1954 07 99.99 -99.99  25.50 
1954 08 99.99 -99.99  27.00 
1954 09 99.99 -99.99  26.90 
1954 10 99.99 -99.99  23.60 
1954 11 99.99 -99.99  20.29 
1954 12 99.99 -99.99  16.70 
1955 01 99.99 -99.99  13.80 
1955 02 99.99 -99.99  14.70 
1955 03 99.99 -99.99  17.50 
1955 04 99.99 -99.99  18.90 
1955 05 99.99 -99.99  20.70 
1955 06 99.99 -99.99  24.70 
1955 07 99.99 -99.99  27.00 
1955 08 99.99 -99.99  26.50 
1955 09 99.99 -99.99  26.70 
1955 10 99.99 -99.99  24.50 
1955 11 99.99 -99.99  19.50 
1955 12 99.99 -99.99  17.29 
1956 01 99.99 -99.99  14.30 
1956 02 99.99 -99.99  13.70 
1956 03 99.99 -99.99  16.10 
1956 04 99.99 -99.99  18.29 
1956 05 99.99 -99.99  21.80 
1956 06 99.99 -99.99  24.80 
1956 07 99.99 -99.99  27.00 
1956 08 99.99 -99.99  27.90 
1956 09 99.99 -99.99  27.30 
1956 10 99.99 -99.99  24.80 
1956 11 99.99 -99.99  20.20 
1956 12 99.99 -99.99  15.10 
1957 01 99.99 -99.99  14.60 
1957 02 99.99 -99.99  13.70 
1957 03 99.99 -99.99  13.80 
1957 04 99.99 -99.99  18.00 
1957 05 99.99 -99.99  20.00 
1957 06 99.99 -99.99  22.20 
1957 07 99.99 -99.99  26.90 
1957 08 99.99 -99.99  27.90 
1957 09 99.99 -99.99  26.20 
1957 10 99.99 -99.99  22.70 
1957 11 99.99 -99.99  20.40 
1957 12 99.99 -99.99  17.40 
1958 01 99.99 -99.99  14.70 
1958 02 99.99 -99.99  14.30 
1958 03 99.99 -99.99  15.60 
1958 04 99.99 -99.99  18.10 
1958 05 99.99 -99.99  19.70 
1958 06 99.99 -99.99  22.20 
1958 07 99.99 -99.99  25.30 
1958 08 99.99 -99.99  27.20 
1958 09 99.99 -99.99  27.70 
1958 10 99.99 -99.99  24.20 
1958 11 99.99 -99.99  20.29 
1958 12 99.99 -99.99  17.29 
1959 01 99.99 -99.99  14.40 
1959 02 99.99 -99.99  16.10 
1959 03 99.99 -99.99  16.00 
1959 04 99.99 -99.99  18.50 
1959 05 99.99 -99.99  20.90 
1959 06 99.99 -99.99  22.30 
1959 07 99.99 -99.99  26.80 
1959 08 99.99 -99.99  27.60 
1959 09 99.99 -99.99  26.90 
1959 10 99.99 -99.99  24.00 
1959 11 99.99 -99.99  21.60 
1959 12 99.99 -99.99  17.40 
1960 01 99.99 -99.99  14.70 
1960 02 99.99 -99.99  14.90 
1960 03 99.99 -99.99  15.90 
1960 04 99.99 -99.99  17.79 
1960 05 99.99 -99.99  20.20 
1960 06 99.99 -99.99  23.00 
1960 07 99.99 -99.99  26.40 
1960 08 99.99 -99.99  27.10 
1960 09 99.99 -99.99  26.90 
1960 10 99.99 -99.99  23.10 
1960 11 99.99 -99.99  20.29 
1960 12 99.99 -99.99  16.40 
1961 01 99.99 -99.99  13.70 
1961 02 99.99 -99.99  13.10 
1961 03 99.99 -99.99  15.70 
1961 04 99.99 -99.99  18.40 
1961 05 99.99 -99.99  21.90 
1961 06 99.99 -99.99  23.40 
1961 07 99.99 -99.99  27.50 
1961 08 99.99 -99.99  28.10 
1961 09 99.99 -99.99  27.60 
1961 10 99.99 -99.99  25.40 
1961 11 99.99 -99.99  20.40 
1961 12 99.99 -99.99  16.40 
1962 01 99.99 -99.99  13.50 
1962 02 99.99 -99.99  14.10 
1962 03 99.99 -99.99  15.50 
1962 04 99.99 -99.99  17.50 
1962 05 99.99 -99.99  20.80 
1962 06 99.99 -99.99  24.40 
1962 07 99.99 -99.99  26.40 
1962 08 99.99 -99.99  27.50 
1962 09 99.99 -99.99  27.00 
1962 10 99.99 -99.99  23.60 
1962 11 99.99 -99.99  20.70 
1962 12 99.99 -99.99  16.70 
1963 01 99.99 -99.99  11.90 
1963 02 99.99 -99.99  11.70 
1963 03 99.99 -99.99  14.70 
1963 04 99.99 -99.99  17.50 
1963 05 99.99 -99.99  22.50 
1963 06 99.99 -99.99  25.70 
1963 07 99.99 -99.99  27.30 
1963 08 99.99 -99.99  27.70 
1963 09 99.99 -99.99  26.40 
1963 10 99.99 -99.99  22.90 
1963 11 99.99 -99.99  20.29 
1963 12 99.99 -99.99  18.00 
1964 01 99.99 -99.99  15.60 
1964 02 99.99 -99.99  14.20 
1964 03 99.99 -99.99  15.20 
1964 04 99.99 -99.99  20.70 
1964 05 99.99 -99.99  20.60 
1964 06 99.99 -99.99  22.80 
1964 07 99.99 -99.99  27.10 
1964 08 99.99 -99.99  28.00 
1964 09 99.99 -99.99  28.10 
1964 10 99.99 -99.99  23.40 
1964 11 99.99 -99.99  19.79 
1964 12 99.99 -99.99  17.00 
1965 01 99.99 -99.99  14.40 
1965 02 99.99 -99.99  13.80 
1965 03 99.99 -99.99  13.90 
1965 04 99.99 -99.99  17.20 
1965 05 99.99 -99.99  20.29 
1965 06 99.99 -99.99  22.60 
1965 07 99.99 -99.99  27.20 
1965 08 99.99 -99.99  27.60 
1965 09 99.99 -99.99  26.20 
1965 10 99.99 -99.99  21.60 
