1950 01 24.00  12.00  18.00 
1950 02 23.10  12.40  17.75 
1950 03 23.30  12.60  17.95 
1950 04 23.30  13.10  18.20 
1950 05 23.30  13.00  18.15 
1950 06 22.50  12.80  17.65 
1950 07 24.20  11.80  18.00 
1950 08 24.20  11.30  17.75 
1950 09 25.50  12.10  18.79 
1950 10 23.50  11.90  17.70 
1950 11 22.70  12.50  17.60 
1950 12 23.20  12.30  17.75 
1951 01 22.60  12.20  17.40 
1951 02 23.40  12.30  17.85 
1951 03 24.60  12.90  18.75 
1951 04 24.20  12.70  18.45 
1951 05 23.70  13.00  18.35 
1951 06 24.40  12.60  18.50 
1951 07 24.20  11.80  18.00 
1951 08 25.60  12.00  18.79 
1951 09 25.10  12.10  18.60 
1951 10 24.20  12.00  18.10 
1951 11 23.90  11.30  17.60 
1951 12 24.10  11.90  18.00 
1952 01 24.20  12.20  18.20 
1952 02 24.10  13.30  18.70 
1952 03 24.00  13.30  18.65 
1952 04 23.80  13.40  18.59 
1952 05 23.70  12.70  18.20 
1952 06 23.70  12.30  18.00 
1952 07 24.90  11.40  18.15 
1952 08 25.50  11.80  18.65 
1952 09 26.10  12.30  19.20 
1952 10 24.30  12.70  18.50 
1952 12 23.60  13.40  18.50 
1953 01 23.50  12.10  17.79 
1953 02 24.00  12.00  18.00 
1953 03 24.00  13.10  18.54 
1953 04 23.70  13.20  18.45 
1953 05 23.60  12.90  18.25 
1953 06 24.10  12.60  18.35 
1953 07 24.80  12.20  18.50 
1953 08 26.80  12.80  19.79 
1953 09 24.70  12.70  18.70 
1953 10 23.20  13.00  18.10 
1953 11 23.60  13.50  18.54 
1953 12 23.80  13.50  18.65 
1954 01 24.00  12.40  18.20 
1954 02 23.40  13.10  18.25 
1954 03 23.70  13.30  18.50 
1954 04 23.40  13.30  18.35 
1954 05 23.60  13.00  18.29 
1954 06 22.90  12.50  17.70 
1954 07 23.70  12.40  18.04 
1954 08 24.60  12.60  18.60 
1954 09 25.90  12.60  19.25 
1954 10 22.30  13.00  17.65 
1954 11 22.40  12.60  17.50 
1954 12 22.00  13.00  17.50 
1955 01 23.40  12.40  17.90 
1955 02 23.80  12.50  18.15 
1955 03 22.80  13.50  18.15 
1955 04 23.60  12.70  18.15 
1955 05 23.20  13.40  18.29 
1955 06 23.00  12.80  17.90 
1955 07 23.10  12.40  17.75 
1955 08 24.40  13.00  18.70 
1955 09 24.10  12.30  18.20 
1955 10 22.20  13.40  17.79 
1955 11 22.90  13.00  17.95 
1955 12 22.60  13.20  17.90 
1956 01 23.10  13.60  18.35 
1956 02 23.10  12.50  17.79 
1956 03 23.70  12.80  18.25 
1956 04 23.40  12.90  18.15 
1956 05 22.80  13.20  18.00 
1956 06 22.40  12.40  17.40 
1956 07 23.80  13.00  18.40 
1956 08 24.80  11.30  18.04 
1956 09 24.40  11.90  18.15 
1956 10 22.60  12.80  17.70 
1956 11 22.80  14.30  18.54 
1956 12 22.70  13.30  18.00 
1957 01 23.50  11.80  17.65 
1957 02 24.50  12.80  18.65 
1957 03 22.90  12.70  17.79 
1957 04 23.80  12.60  18.20 
1957 05 23.80  13.40  18.59 
1957 06 25.00  12.10  18.54 
1957 07 26.00  11.90  18.95 
1957 08 26.80  12.30  19.54 
1957 09 26.60  12.10  19.35 
1957 10 24.80  12.40  18.59 
1957 11 23.50  12.60  18.04 
1957 12 24.10  12.50  18.29 
1958 01 23.90  12.70  18.29 
1958 02 24.80  12.40  18.59 
1958 03 25.10  12.70  18.90 
1958 04 23.60  13.30  18.45 
1958 05 24.50  13.30  18.90 
1958 06 25.60  12.00  18.79 
1958 07 26.80  12.20  19.50 
1958 08 25.30  11.90  18.59 
1958 09 26.80  12.20  19.50 
1958 10 24.50  12.60  18.54 
1958 11 24.10  12.70  18.40 
1958 12 23.80  13.60  18.70 
1959 01 24.20  12.90  18.54 
1959 02 25.10  12.70  18.90 
1959 03 24.00  12.80  18.40 
1959 04 24.00  13.00  18.50 
1959 05 24.30  12.30  18.29 
1959 06 22.90  12.60  17.75 
1959 07 25.00  11.90  18.45 
1959 08 24.90  11.90  18.40 
1959 09 26.20  12.20  19.20 
1959 10 24.10  13.30  18.70 
1959 11 23.80  13.30  18.54 
1959 12 23.40  13.40  18.40 
1960 01 23.70  12.50  18.10 
1960 02 23.40  13.10  18.25 
1960 03 24.10  12.70  18.40 
1960 04 24.00  13.20  18.60 
1960 05 24.10  13.00  18.54 
1960 06 24.70  12.60  18.65 
1960 07 24.30  11.80  18.04 
1960 08 25.60  12.00  18.79 
1960 09 25.00  11.90  18.45 
1960 10 23.90  12.70  18.29 
1960 12 24.00  12.70  18.35 
