1953 01  6.50   1.30   3.90 
1953 02  7.70   2.70   5.20 
1953 03 11.40   3.80   7.60 
1953 04 15.90   8.00  11.95 
1953 05 20.20  12.20  16.20 
1953 06 20.50  12.90  16.70 
1953 07 28.10  17.79  22.95 
1953 08 26.60  17.60  22.10 
1953 09 26.40  16.70  21.55 
1953 10 18.79  12.50  15.65 
1953 11 15.30 -99.99 -99.99 
1953 12 14.00   7.70  10.85 
1954 01  6.20   2.30   4.25 
1954 02  7.30   2.60   4.94 
1954 03 12.60   5.80   9.20 
1954 04 13.90   6.60  10.25 
1954 05 17.50   9.70  13.60 
1954 06 25.70  15.20  20.45 
1954 07 24.20  15.10  19.65 
1954 08 25.60  15.70  20.65 
1954 09 25.80  15.40  20.59 
1954 10 18.70  10.90  14.80 
1954 11 14.60   7.90  11.25 
1954 12 11.40   6.70   9.04 
1955 01 10.60   6.00   8.30 
1955 02 10.30   4.80   7.55 
1955 03 11.80   5.60   8.70 
1955 04 16.10   7.20  11.65 
1955 05 20.70  11.00  15.85 
1955 06 24.90  14.60  19.75 
1955 07 28.00  17.60  22.80 
1955 08 26.30  17.00  21.65 
1955 09 21.20  13.80  17.50 
1955 10 17.29  10.30  13.79 
1955 11 13.10   7.40  10.25 
1955 12 11.70   7.40   9.55 
1956 01 10.30   5.30   7.80 
1956 02  2.40  -2.40    . 0 
1956 03 10.20   4.10   7.14 
1956 04 13.90   6.70  10.29 
1956 05 19.50  10.80  15.15 
1956 06 20.50  11.80  16.15 
1956 07 26.80  16.90  21.84 
1956 08 28.00  18.50  23.25 
1956 09 25.10  15.70  20.40 
1956 10 16.90   9.89  13.40 
1956 11 10.60   6.10   8.35 
1956 12  8.80   4.60   6.70 
1957 01  8.10   3.60   5.85 
1957 02 11.50   5.30   8.39 
1957 03 14.30   6.10  10.20 
1957 04 14.20   7.00  10.60 
1957 05 15.70   8.39  12.04 
1957 06 23.00  13.80  18.40 
1957 07 25.10  17.50  21.30 
1957 08 25.80  17.50  21.65 
1957 09 23.00  14.20  18.60 
1957 11 12.60   8.30  10.45 
1957 12  9.00   4.69   6.85 
1959 01  8.30   3.70   6.00 
1959 02 10.90   4.80   7.85 
1959 03 13.50   7.00  10.25 
1959 04 14.00   7.00  10.50 
1959 05 17.10   9.80  13.45 
1959 06 22.70  14.50  18.60 
1959 07 27.50  18.20  22.85 
1959 08 25.10  16.70  20.90 
1959 09 23.00  15.90  19.45 
1959 10 16.90  10.80  13.85 
1959 11 11.30   7.40   9.35 
1959 12  9.70   5.50   7.60 
1960 01  9.30   4.50   6.90 
1960 02 10.80   5.60   8.20 
1960 03 11.30   6.00   8.64 
1960 04 13.90   7.40  10.65 
1960 05 19.70  11.70  15.70 
1960 06 24.10  15.60  19.85 
1960 07 24.40  15.70  20.04 
1960 08 27.00  17.79  22.40 
1960 09 21.10  13.70  17.40 
1960 10 17.79  11.10  14.45 
1960 11 13.80   8.70  11.25 
1960 12  9.00   4.80   6.90 
1961 01  7.80   4.69   6.25 
1961 02 12.30   6.50   9.39 
1961 03 13.40   5.90   9.64 
1961 04 17.40  10.10  13.75 
1961 05 19.20  11.30  15.25 
1961 06 23.00  15.50  19.25 
1961 07 25.90  16.90  21.40 
1961 08 25.90  17.50  21.70 
1961 09 25.70  17.50  21.60 
1961 10 18.60  12.20  15.40 
1961 11 13.10   8.20  10.65 
1961 12 10.40   5.90   8.14 
1962 01 10.70   6.10   8.39 
1962 03  8.20   3.80   6.00 
1962 04 13.70   7.90  10.80 
1962 05 17.90  10.10  14.00 
1962 06 21.50  13.80  17.65 
1962 07 26.00  17.10  21.55 
1962 08 27.50  18.10  22.80 
1962 09 23.90  16.10  20.00 
1962 10 18.70  11.70  15.20 
1962 11 10.80   6.40   8.60 
1962 12  7.20   3.10   5.14 
1963 01  6.30   2.60   4.44 
1963 02  5.90   1.90   3.90 
1963 03 10.20   4.40   7.30 
1963 04 15.00   8.00  11.50 
1963 05 16.90  10.50  13.70 
1963 06 21.80  14.30  18.04 
1963 07 27.60  18.50  23.05 
1963 08 25.80  16.79  21.30 
1963 09 22.00  14.20  18.10 
1963 10 16.60  10.80  13.70 
1963 11 16.29  10.80  13.54 
1963 12  9.70   5.40   7.55 
1964 01  9.20   3.80   6.50 
1964 02  9.39   4.30   6.85 
1964 03 11.40   5.50   8.45 
1964 04 14.10   7.20  10.65 
1964 05 20.29  11.70  16.00 
1964 06 24.40  15.40  19.90 
1964 07 27.00  18.70  22.85 
1964 08 24.20  16.50  20.35 
1964 09 23.30  14.80  19.04 
1964 10 16.20   9.70  12.95 
1964 11 12.80   8.80  10.80 
1964 12  9.00   4.50   6.75 
1965 01  8.39   4.19   6.30 
1965 02  5.40    .40   2.90 
1965 03 10.90   5.00   7.95 
1965 04 12.00   6.10   9.05 
1965 05 18.20  10.90  14.55 
1965 06 24.30  16.10  20.20 
1965 07 27.50  17.50  22.50 
1965 08 25.10  17.00  21.05 
1965 09 20.60  13.40  17.00 
1965 10 18.60  12.30  15.45 
1965 11 13.10   8.20  10.65 
1965 12 10.10   6.50   8.30 
1966 01  7.90   4.30   6.10 
1966 02 12.50   6.90   9.70 
1966 03  9.00   4.50   6.75 
1966 04 14.70   8.80  11.75 
1966 05 17.90  11.40  14.65 
1966 06 23.70  15.40  19.54 
1966 07 23.30  15.30  19.29 
1966 08 25.40  16.60  21.00 
1966 09 23.10  15.50  19.29 
1966 10 18.10  13.00  15.55 
1966 11 10.90   5.90   8.39 
1966 12  8.39   4.60   6.50 
1967 01  8.30   4.30   6.30 
1967 02  8.80   4.69   6.75 
1967 03 12.30   6.90   9.60 
1967 04 13.20   7.50  10.35 
1967 05 19.29  11.30  15.29 
1967 06 21.30  13.40  17.34 
1967 07 27.00  18.79  22.90 
1967 08 25.10  18.20  21.65 
1967 09 22.70  15.10  18.90 
1967 10 20.60  13.40  17.00 
1967 11 15.50   9.89  12.70 
1967 12  8.10   4.69   6.40 
1968 01  7.50   3.10   5.30 
1968 02 10.70   6.00   8.35 
1968 03 11.90   5.50   8.70 
1968 04 17.20  10.00  13.60 
1968 05 18.60  10.60  14.60 
1968 06 22.30  14.50  18.40 
1968 07 27.10  18.70  22.90 
1968 08 24.00  16.20  20.10 
1968 09 22.00  14.60  18.29 
1968 10 20.60  12.50  16.54 
1968 11 13.60   8.30  10.95 
1968 12  9.00   5.00   7.00 
1969 01  8.60   3.90   6.25 
1969 02  7.70   2.60   5.14 
1969 03 10.00   5.00   7.50 
1969 04 13.20   6.80  10.00 
1969 05 19.90  11.70  15.79 
1969 06 19.50  11.70  15.60 
1969 07 25.60  16.90  21.25 
1969 08 25.60  17.29  21.45 
1969 09 22.20  14.90  18.54 
1969 10 18.50  12.70  15.60 
1969 11 14.00   8.60  11.30 
1969 12  6.10   2.40   4.25 
1970 01  9.80   5.40   7.60 
1970 02  7.30   3.60   5.45 
1970 03  9.50   3.60   6.55 
1970 04 13.10   6.30   9.70 
1970 05 18.20   9.80  14.00 
1970 06 25.20  16.40  20.80 
1970 07 26.90  17.40  22.15 
1970 08 27.70  18.20  22.95 
1970 09 25.80  16.29  21.05 
1970 10 18.29  10.80  14.54 
1970 11 14.00   8.30  11.15 
1970 12  9.70   5.50   7.60 
1971 01  8.50   4.00   6.25 
1971 02  8.20   2.90   5.55 
1971 03  7.30   2.00   4.65 
1971 04 16.29   9.70  13.00 
1971 05 18.50  12.00  15.25 
1971 06 20.70  13.30  17.00 
1971 07 27.00  18.70  22.85 
1971 08 29.90  21.00  25.45 
1971 09 21.30  14.50  17.90 
1971 10 17.29  11.60  14.45 
1971 11 11.40   6.40   8.89 
1971 12 10.00   4.80   7.40 
1972 01  8.00   3.70   5.85 
1972 02  9.80   5.00   7.40 
1972 03 13.30   7.50  10.40 
1972 04 14.30   8.60  11.45 
1972 05 17.79  11.00  14.40 
1972 06 22.10  13.90  18.00 
1972 07 23.90  15.80  19.85 
1972 08 24.20  16.00  20.10 
1972 09 19.70  13.20  16.45 
1972 10 16.40  10.70  13.54 
1972 11 14.70   9.39  12.04 
1972 12 11.10   6.80   8.95 
1973 01 99.99   5.00 -99.99 
1973 02 99.99   3.90 -99.99 
1973 03 99.99   5.50 -99.99 
1973 04 99.99   6.70 -99.99 
1973 07 99.99  17.00 -99.99 
1973 11 99.99   7.00 -99.99 
1973 12 99.99   4.10 -99.99 
1974 01 10.40   5.60   8.00 
1974 02  9.10   4.30   6.70 
1974 03 11.60   5.50   8.55 
1974 04 12.10   6.70   9.39 
1974 05 18.10  10.10  14.10 
1974 06 22.50  13.40  17.95 
1974 07 25.90  16.50  21.20 
1974 10 11.80   6.70   9.25 
1974 12 10.10   5.30   7.70 
1975 01 11.00   5.70   8.35 
1975 02  9.80 -99.99 -99.99 
