1948 01 25.50  14.00  19.75 
1948 02 26.50  13.30  19.90 
1948 03 26.10  14.10  20.10 
1948 04 25.10  11.70  18.40 
1948 05 25.40  10.60  18.00 
1948 06 26.30  10.10  18.20 
1948 07 26.60  11.60  19.10 
1948 08 27.20  11.60  19.40 
1948 09 26.10  11.70  18.90 
1948 10 25.50  12.50  19.00 
1948 11 25.30  12.20  18.75 
1948 12 24.90  12.20  18.54 
1949 01 24.70  12.50  18.60 
1949 02 24.60  12.40  18.50 
1949 03 25.40  12.00  18.70 
1949 04 25.30  11.90  18.59 
1949 05 25.50  11.70  18.60 
1949 06 24.90  11.00  17.95 
1949 07 26.00  11.00  18.50 
1949 08 26.80  11.60  19.20 
1949 09 26.20  11.40  18.79 
1949 10 25.30  10.80  18.04 
1949 11 24.90  11.30  18.10 
1949 12 25.20  12.30  18.75 
1950 01 25.40  11.80  18.60 
1950 02 24.80  11.80  18.29 
1950 03 24.40  13.00  18.70 
1950 04 24.70  11.80  18.25 
1950 05 24.90  11.20  18.04 
1950 06 24.30  12.10  18.20 
1950 07 25.90  12.40  19.15 
1950 08 25.80  11.00  18.40 
1950 09 26.90  12.10  19.50 
1950 10 25.60  12.10  18.85 
1950 11 24.50  11.30  17.90 
1950 12 25.00  12.10  18.54 
1951 01 24.30  11.90  18.09 
1951 02 25.00  11.90  18.45 
1951 03 26.40  12.70  19.54 
1951 04 25.80  12.40  19.09 
1951 05 25.60  14.00  19.79 
1951 06 25.50  13.70  19.60 
1951 07 25.80  14.40  20.09 
1951 08 27.20  15.00  21.10 
1951 09 26.40  13.40  19.90 
1951 10 26.00  13.60  19.79 
1951 11 25.30  13.90  19.59 
1951 12 25.90  13.80  19.85 
1952 01 26.20  14.00  20.10 
1952 02 24.90  14.30  19.60 
1952 03 25.50  14.10  19.79 
1952 04 26.00  14.40  20.20 
1952 05 24.80  14.60  19.70 
1952 06 25.50  13.50  19.50 
1952 07 26.20  13.80  20.00 
1952 08 26.30  13.50  19.90 
1952 09 26.30  13.50  19.90 
1952 10 26.30  14.30  20.29 
1952 11 24.80  14.30  19.54 
1952 12 25.40  14.60  20.00 
1953 01 25.20  14.20  19.70 
1953 02 29.80  13.40  21.59 
1953 03 25.80  14.80  20.29 
1953 04 25.40  14.60  20.00 
1953 05 25.40  14.70  20.04 
1953 06 25.60  14.00  19.79 
1953 07 26.30  13.80  20.04 
1953 08 27.80  13.60  20.70 
1953 09 26.30  14.00  20.15 
1953 10 24.60  14.90  19.75 
1953 11 24.60  14.80  19.70 
1953 12 25.20  14.90  20.04 
1954 01 25.70  15.40  20.55 
1954 02 24.80  16.40  20.59 
1954 03 25.10  16.50  20.80 
1954 04 25.40  14.40  19.90 
1954 05 25.00  13.70  19.35 
1954 06 25.40  12.60  19.00 
1954 07 25.10  10.90  18.00 
1954 08 25.00  10.80  17.90 
1954 09 26.40  11.70  19.04 
1954 10 23.90  12.70  18.29 
1954 11 24.20  12.00  18.10 
1954 12 23.60  12.80  18.20 
1955 01 23.90  12.10  18.00 
1955 02 24.70  11.40  18.04 
1955 03 24.10  13.30  18.70 
1955 04 25.20  12.60  18.90 
1955 05 24.80  12.60  18.70 
1955 06 24.40  11.90  18.15 
1955 07 24.50  11.40  17.95 
1955 08 25.10  10.50  17.79 
1955 09 24.60  11.00  17.79 
1955 10 24.40  13.20  18.79 
1955 11 24.50  13.50  19.00 
1955 12 24.70  13.20  18.95 
1956 01 23.60  13.30  18.45 
1956 02 24.30  13.20  18.75 
1956 03 24.60  13.60  19.10 
1956 04 25.40  13.60  19.50 
1956 05 24.70  13.50  19.10 
1956 06 24.70  13.30  19.00 
1956 07 25.20  12.60  18.90 
1956 08 25.70  12.30  19.00 
1956 09 24.90  13.90  19.40 
1956 10 24.40  13.40  18.90 
1956 11 24.50  12.50  18.50 
1956 12 23.60  12.50  18.04 
1957 01 24.80  12.00  18.40 
1957 02 25.80  11.10  18.45 
1957 03 25.70  11.20  18.45 
1957 04 25.40  11.40  18.40 
1957 05 25.80  11.80  18.79 
1957 06 26.60  11.70  19.15 
1957 07 26.60  11.50  19.04 
1957 08 26.80  11.60  19.20 
1957 09 27.70  11.60  19.65 
1957 10 27.70  11.90  19.79 
1957 11 27.70  11.40  19.54 
1957 12 27.30  11.90  19.59 
1958 01 25.70  11.60  18.65 
1958 02 26.30  11.70  19.00 
1958 03 25.70  11.60  18.65 
1958 04 24.40  11.30  17.85 
1958 05 24.90  11.70  18.29 
1958 06 26.00  11.30  18.65 
1958 07 26.70  11.50  19.10 
1958 08 24.60  11.60  18.10 
1958 09 26.30  12.00  19.15 
1958 10 24.60  11.40  18.00 
1958 11 24.50  11.30  17.90 
1958 12 23.90  11.50  17.70 
1959 01 25.00  11.60  18.29 
1959 02 25.10  11.10  18.10 
1959 03 25.10  11.60  18.35 
1959 04 24.20  11.20  17.70 
1959 05 25.40  11.90  18.65 
1959 06 23.80  12.90  18.34 
1959 07 23.90  13.20  18.54 
1959 08 23.50  13.20  18.35 
1959 09 24.10  13.50  18.79 
1959 10 23.60  14.10  18.85 
1959 11 23.90  13.70  18.79 
1959 12 23.00  14.30  18.65 
1960 01 24.00  14.00  19.00 
1960 02 23.30  13.90  18.59 
1960 03 24.60  11.70  18.15 
1960 04 22.90  14.50  18.70 
1960 05 23.00  14.30  18.65 
1960 06 24.00  12.00  18.00 
1960 07 23.70  13.80  18.75 
1960 08 24.30  13.70  19.00 
1960 09 24.20  13.70  18.95 
1960 10 22.80  13.70  18.25 
1960 11 23.00  13.90  18.45 
1960 12 22.90  14.30  18.60 
