1899 07 31.00  23.80  27.40 
1899 08 30.80  23.40  27.09 
1899 09 30.90  23.00  26.95 
1899 10 31.20  23.10  27.15 
1899 11 29.90  22.20  26.05 
1899 12 30.60  23.40  27.00 
1901 01 31.90  22.60  27.25 
1901 02 31.40  21.30  26.34 
1901 03 32.30  24.00  28.15 
1901 04 32.70  25.30  29.00 
1901 05 32.59  24.70  28.65 
1901 06 31.70  25.00  28.35 
1901 07 30.10  24.60  27.35 
1901 08 29.60  24.60  27.10 
1901 09 31.00  24.20  27.60 
1901 10 30.40  23.80  27.09 
1901 11 30.20  23.80  27.00 
1901 12 29.20  20.80  25.00 
1902 01 30.60  20.90  25.75 
1902 02 30.20  20.70  25.45 
1902 03 32.20  23.80  28.00 
1902 04 33.20  24.70  28.95 
1902 05 32.80  25.00  28.90 
1902 06 31.90  24.60  28.25 
1902 07 31.90  23.80  27.84 
1902 08 31.10  24.70  27.90 
1902 09 30.70  24.30  27.50 
1902 10 31.20  24.20  27.70 
1902 11 31.10  23.70  27.40 
1902 12 31.40  23.20  27.30 
1903 01 31.30  22.80  27.05 
1903 02 32.59  22.70  27.65 
1903 03 33.00  24.30  28.65 
1903 04 34.09  25.20  29.65 
1903 05 34.30  25.40  29.84 
1903 06 32.40  24.20  28.30 
1903 07 30.90  24.40  27.65 
1903 08 30.90  23.90  27.40 
1903 09 31.10  23.60  27.35 
1903 10 31.60  23.90  27.75 
1903 11 30.30  22.90  26.59 
1903 12 28.50  21.50  25.00 
1904 01 30.60  21.80  26.20 
1904 02 30.10  21.50  25.80 
1904 04 29.10  25.20  27.15 
1904 05 29.80  25.40  27.59 
1904 06 29.40  23.90  26.65 
1904 07 29.30  24.20  26.75 
1904 08 29.50  24.90  27.20 
1904 09 30.00  25.10  27.55 
1904 10 30.30  25.30  27.80 
1905 06 29.40  23.80  26.59 
1905 07 29.50  24.40  26.95 
1905 08 30.30  24.50  27.40 
1905 09 28.00  24.80  26.40 
1905 10 28.70  23.90  26.30 
1905 11 29.10  24.70  26.90 
1905 12 29.00  22.50  25.75 
1906 01 29.80  24.20  27.00 
1906 02 29.10  24.50  26.80 
1906 03 29.10  24.40  26.75 
1906 04 30.80  25.90  28.34 
1906 05 29.90  26.10  28.00 
1906 06 29.10  24.90  27.00 
1906 07 29.60  24.00  26.80 
1906 08 30.00  24.00  27.00 
1906 09 29.90  24.10  27.00 
1906 10 31.10  23.90  27.50 
1906 12 30.30  23.00  26.65 
1907 01 29.80  21.80  25.80 
1907 02 30.10  22.10  26.10 
1907 03 31.30  23.50  27.40 
1907 04 31.50  24.20  27.85 
1907 05 31.40  24.50  27.95 
1907 06 30.60  24.40  27.50 
1907 07 30.40  23.90  27.15 
1907 08 28.80  24.80  26.80 
1907 09 30.10  23.90  27.00 
1907 10 30.30  23.70  27.00 
1907 11 30.50  24.00  27.25 
1907 12 29.00  22.60  25.80 
1908 01 30.40  22.40  26.40 
1908 02 31.10  23.00  27.05 
1908 03 31.30  23.90  27.59 
1908 04 31.70  24.80  28.25 
1908 05 30.60  24.60  27.60 
1908 06 30.10  24.50  27.30 
1908 07 30.20  24.20  27.20 
1908 08 29.40  24.40  26.90 
1908 09 30.50  24.30  27.40 
1908 10 30.50  24.00  27.25 
1908 11 29.80  23.60  26.70 
1908 12 29.80  23.50  26.65 
1951 01 99.99 -99.99  26.00 
1951 02 99.99 -99.99  26.40 
1951 03 99.99 -99.99  27.80 
1951 04 99.99 -99.99  28.10 
1951 05 99.99 -99.99  27.60 
1951 06 99.99 -99.99  27.60 
1951 07 99.99 -99.99  26.80 
1951 08 99.99 -99.99  26.80 
1951 09 99.99 -99.99  26.80 
1951 10 99.99 -99.99  26.70 
1951 11 99.99 -99.99  26.80 
1951 12 99.99 -99.99  26.10 
1952 01 99.99 -99.99  26.20 
1952 02 99.99 -99.99  27.50 
1952 03 99.99 -99.99  28.00 
1952 04 99.99 -99.99  28.60 
1952 05 99.99 -99.99  28.20 
1952 06 99.99 -99.99  27.20 
1952 07 99.99 -99.99  27.10 
1952 08 99.99 -99.99  26.30 
1952 09 99.99 -99.99  26.60 
1952 10 99.99 -99.99  26.40 
1952 11 99.99 -99.99  26.20 
1952 12 99.99 -99.99  25.40 
1953 01 99.99 -99.99  25.70 
1953 02 99.99 -99.99  27.00 
1953 03 99.99 -99.99  27.80 
1953 04 99.99 -99.99  28.50 
1953 05 99.99 -99.99  28.10 
1953 06 99.99 -99.99  27.40 
1953 07 99.99 -99.99  27.00 
1953 08 99.99 -99.99  27.10 
1953 09 99.99 -99.99  26.70 
1953 10 99.99 -99.99  27.30 
1953 11 99.99 -99.99  26.60 
1953 12 99.99 -99.99  26.30 
1954 01 99.99 -99.99  26.50 
1954 02 99.99 -99.99  26.50 
1954 03 99.99 -99.99  28.10 
1954 04 99.99 -99.99  28.70 
1954 05 99.99 -99.99  27.90 
1954 06 99.99 -99.99  27.90 
1954 07 99.99 -99.99  27.00 
1954 08 99.99 -99.99  26.90 
1954 09 99.99 -99.99  26.80 
1954 10 99.99 -99.99  27.00 
1954 11 99.99 -99.99  26.30 
1954 12 99.99 -99.99  25.80 
1955 01 99.99 -99.99  25.90 
1955 02 99.99 -99.99  26.60 
1955 03 99.99 -99.99  27.60 
1955 04 99.99 -99.99  28.40 
1955 05 99.99 -99.99  27.90 
1955 06 99.99 -99.99  26.80 
1955 07 99.99 -99.99  27.30 
1955 08 99.99 -99.99  27.20 
1955 09 99.99 -99.99  26.80 
1955 10 99.99 -99.99  26.60 
1955 11 99.99 -99.99  25.90 
1955 12 99.99 -99.99  25.20 
1956 01 99.99 -99.99  25.20 
1956 02 99.99 -99.99  26.60 
1956 03 99.99 -99.99  28.30 
1956 04 99.99 -99.99  28.20 
1956 05 99.99 -99.99  27.30 
1956 06 99.99 -99.99  27.00 
1956 07 99.99 -99.99  26.80 
1956 08 99.99 -99.99  26.80 
1956 09 99.99 -99.99  26.50 
1956 10 99.99 -99.99  26.60 
1956 11 99.99 -99.99  25.70 
1956 12 99.99 -99.99  25.30 
1957 01 99.99 -99.99  25.40 
1957 02 99.99 -99.99  25.90 
1957 03 99.99 -99.99  27.10 
1957 04 99.99 -99.99  28.10 
1957 05 99.99 -99.99  28.70 
1957 06 99.99 -99.99  28.00 
1957 07 99.99 -99.99  27.10 
1957 08 99.99 -99.99  26.90 
1957 09 99.99 -99.99  26.60 
1957 10 99.99 -99.99  26.60 
1957 11 99.99 -99.99  26.40 
1957 12 99.99 -99.99  26.60 
1958 01 99.99 -99.99  26.60 
1958 02 99.99 -99.99  26.90 
1958 03 99.99 -99.99  28.70 
1958 04 99.99 -99.99  29.30 
1958 05 99.99 -99.99  28.70 
1958 06 99.99 -99.99  28.10 
1958 07 99.99 -99.99  27.40 
1958 08 99.99 -99.99  26.90 
1958 09 99.99 -99.99  27.10 
1958 10 99.99 -99.99  26.50 
1958 11 99.99 -99.99  25.90 
1958 12 99.99 -99.99  25.60 
1959 01 99.99 -99.99  25.90 
1959 02 99.99 -99.99  27.60 
1959 03 99.99 -99.99  27.40 
1959 04 99.99 -99.99  28.40 
1959 05 99.99 -99.99  28.30 
1959 06 99.99 -99.99  28.10 
1959 07 99.99 -99.99  26.60 
1959 08 99.99 -99.99  26.70 
1959 09 99.99 -99.99  26.90 
1959 10 99.99 -99.99  27.00 
1959 11 99.99 -99.99  26.80 
1959 12 99.99 -99.99  26.70 
1960 01 99.99 -99.99  26.10 
1960 02 99.99 -99.99  26.80 
1960 03 99.99 -99.99  28.30 
1960 04 99.99 -99.99  28.90 
1960 05 99.99 -99.99  28.10 
1960 06 99.99 -99.99  27.50 
1960 07 99.99 -99.99  27.40 
1960 08 99.99 -99.99  27.40 
1960 09 99.99 -99.99  26.90 
1960 10 99.99 -99.99  26.80 
1960 11 99.99 -99.99  26.70 
1960 12 99.99 -99.99  26.40 
1961 11 99.99 -99.99  27.00 
1962 01 99.99 -99.99  25.10 
1962 08 99.99 -99.99  26.90 
1962 11 99.99 -99.99  26.90 
1962 12 99.99 -99.99  25.60 
1963 01 99.99 -99.99  24.30 
1963 02 99.99 -99.99  26.10 
1963 04 99.99 -99.99  28.20 
1963 05 99.99 -99.99  28.70 
1963 06 99.99 -99.99  28.30 
1963 07 99.99 -99.99  27.60 
1963 08 99.99 -99.99  26.80 
1963 09 99.99 -99.99  27.10 
1963 10 99.99 -99.99  27.00 
1963 11 99.99 -99.99  27.00 
1963 12 99.99 -99.99  26.30 
1964 01 99.99 -99.99  27.60 
1964 02 99.99 -99.99  27.80 
1964 03 99.99 -99.99  28.40 
1964 04 99.99 -99.99  29.00 
1964 05 99.99 -99.99  27.80 
1964 06 99.99 -99.99  27.80 
1964 07 99.99 -99.99  27.80 
1964 08 99.99 -99.99  26.60 
1964 09 99.99 -99.99  27.10 
1964 10 99.99 -99.99  26.70 
1964 11 99.99 -99.99  25.80 
1964 12 99.99 -99.99  25.00 
1965 01 99.99 -99.99  24.50 
1965 02 99.99 -99.99  26.60 
1965 03 99.99 -99.99  27.40 
1965 04 99.99 -99.99  28.00 
1965 05 99.99 -99.99  27.90 
1965 06 99.99 -99.99  27.10 
1965 07 99.99 -99.99  27.20 
1965 08 99.99 -99.99  27.00 
1965 09 99.99 -99.99  26.40 
1965 10 99.99 -99.99  26.90 
1965 11 99.99 -99.99  27.10 
1965 12 99.99 -99.99  26.90 
1966 01 99.99 -99.99  26.80 
1966 02 99.99 -99.99  27.40 
1966 03 99.99 -99.99  28.40 
1966 04 99.99 -99.99  28.70 
1966 05 99.99 -99.99  27.70 
1966 06 99.99 -99.99  27.90 
1966 07 99.99 -99.99  26.80 
1966 08 99.99 -99.99  27.30 
1966 09 99.99 -99.99  26.70 
1966 10 99.99 -99.99  26.80 
1966 11 99.99 -99.99  26.80 
1966 12 99.99 -99.99  26.50 
1967 01 99.99 -99.99  25.20 
1967 02 99.99 -99.99  26.20 
1967 03 99.99 -99.99  27.60 
1967 04 99.99 -99.99  27.90 
1967 05 99.99 -99.99  27.90 
1967 06 99.99 -99.99  27.60 
1967 07 99.99 -99.99  26.80 
1967 08 99.99 -99.99  26.60 
1967 09 99.99 -99.99  27.10 
1967 10 99.99 -99.99  26.20 
1967 11 99.99 -99.99  26.80 
1967 12 99.99 -99.99  25.40 
1968 01 99.99 -99.99  25.60 
1968 02 99.99 -99.99  26.00 
1968 03 99.99 -99.99  27.50 
1968 04 99.99 -99.99  27.70 
1968 05 99.99 -99.99  28.00 
1968 06 99.99 -99.99  28.00 
1968 07 99.99 -99.99  27.50 
1968 08 99.99 -99.99  27.10 
1968 09 99.99 -99.99  26.80 
1968 10 99.99 -99.99  26.70 
1968 11 99.99 -99.99  26.90 
1968 12 99.99 -99.99  26.90 
1969 01 99.99 -99.99  26.70 
1969 02 99.99 -99.99  26.90 
1969 03 99.99 -99.99  28.30 
1969 04 99.99 -99.99  29.10 
1969 05 99.99 -99.99  29.30 
1969 06 99.99 -99.99  28.50 
1969 07 99.99 -99.99  26.70 
1969 08 99.99 -99.99  27.40 
1969 09 99.99 -99.99  26.30 
1969 10 99.99 -99.99  27.30 
1969 11 99.99 -99.99  26.70 
1969 12 99.99 -99.99  25.90 
1970 01 99.99 -99.99  26.00 
1970 02 99.99 -99.99  26.60 
1970 03 99.99 -99.99  28.20 
1970 04 99.99 -99.99  28.50 
1970 05 99.99 -99.99  28.60 
1970 06 99.99 -99.99  27.80 
1970 07 99.99 -99.99  27.10 
1970 08 99.99 -99.99  27.00 
1970 09 99.99 -99.99  27.10 
1970 10 99.99 -99.99  26.50 
