1932 10 99.99 -99.99  28.20 
1932 11 99.99 -99.99  24.10 
1932 12 99.99 -99.99  19.90 
1933 02 99.99 -99.99  21.30 
1933 03 99.99 -99.99  25.70 
1933 04 99.99 -99.99  28.40 
1933 05 99.99 -99.99  28.70 
1933 06 99.99 -99.99  28.30 
1933 07 99.99 -99.99  28.70 
1933 08 99.99 -99.99  27.80 
1933 09 99.99 -99.99  28.50 
1933 10 99.99 -99.99  29.30 
1933 11 99.99 -99.99  23.90 
1933 12 99.99 -99.99  19.70 
1934 01 99.99 -99.99  18.50 
1934 02 99.99 -99.99  21.20 
1934 03 99.99 -99.99  26.80 
1934 04 99.99 -99.99  28.50 
1934 05 99.99 -99.99  28.20 
1934 06 99.99 -99.99  28.10 
1934 07 99.99 -99.99  28.60 
1934 08 99.99 -99.99  28.80 
1934 09 99.99 -99.99  29.30 
1934 10 99.99 -99.99  27.30 
1934 11 99.99 -99.99  22.70 
1934 12 99.99 -99.99  19.60 
1935 01 99.99 -99.99  18.29 
1935 02 99.99 -99.99  22.20 
1935 03 99.99 -99.99  26.20 
1935 04 99.99 -99.99  28.20 
1935 05 99.99 -99.99  30.50 
1935 06 99.99 -99.99  28.50 
1935 07 99.99 -99.99  31.60 
1935 08 99.99 -99.99  28.00 
1935 09 99.99 -99.99  29.10 
1935 10 99.99 -99.99  27.60 
1935 11 99.99 -99.99  23.70 
1935 12 99.99 -99.99  19.70 
1936 01 99.99 -99.99  18.29 
1936 02 99.99 -99.99  22.00 
1936 03 99.99 -99.99  27.10 
1936 04 99.99 -99.99  29.40 
1936 05 99.99 -99.99  28.80 
1936 06 99.99 -99.99  28.60 
1936 07 99.99 -99.99  28.30 
1936 08 99.99 -99.99  28.70 
1936 09 99.99 -99.99  28.50 
1936 10 99.99 -99.99  27.10 
1936 11 99.99 -99.99  24.40 
1936 12 99.99 -99.99  20.10 
1937 01 99.99 -99.99  17.70 
1937 02 99.99 -99.99  21.20 
1937 03 99.99 -99.99  26.40 
1937 04 99.99 -99.99  29.90 
1937 05 99.99 -99.99  29.20 
1937 06 99.99 -99.99  28.80 
1937 07 99.99 -99.99  28.70 
1937 08 99.99 -99.99  28.20 
1937 09 99.99 -99.99  29.20 
1937 10 99.99 -99.99  27.50 
1937 11 99.99 -99.99  22.90 
1937 12 99.99 -99.99  20.10 
1938 01 99.99 -99.99  20.60 
1938 02 99.99 -99.99  20.70 
1938 03 99.99 -99.99  27.90 
1938 04 99.99 -99.99  30.70 
1938 05 99.99 -99.99  27.60 
1938 06 99.99 -99.99  28.40 
1938 07 99.99 -99.99  28.40 
1938 08 99.99 -99.99  28.40 
1938 09 99.99 -99.99  28.80 
1938 10 99.99 -99.99  27.80 
1938 11 99.99 -99.99  23.30 
1938 12 99.99 -99.99  19.29 
1939 01 99.99 -99.99  19.60 
1939 02 99.99 -99.99  22.50 
1939 03 99.99 -99.99  26.40 
1939 04 99.99 -99.99  29.60 
1939 05 99.99 -99.99  28.90 
1939 06 99.99 -99.99  28.30 
1939 07 99.99 -99.99  27.80 
1939 08 99.99 -99.99  28.50 
1939 09 99.99 -99.99  28.40 
1939 10 99.99 -99.99  27.80 
1939 11 99.99 -99.99  24.60 
1939 12 99.99 -99.99  20.90 
1940 01 99.99 -99.99  18.79 
1940 02 99.99 -99.99  21.10 
1940 03 99.99 -99.99  24.20 
1940 04 99.99 -99.99  29.40 
1940 05 99.99 -99.99  28.60 
1940 06 99.99 -99.99  28.30 
1940 07 99.99 -99.99  27.90 
1940 08 99.99 -99.99  28.30 
1940 09 99.99 -99.99  28.00 
1940 10 99.99 -99.99  27.60 
1940 11 99.99 -99.99  24.90 
1940 12 99.99 -99.99  20.40 
1941 01 99.99 -99.99  19.10 
1941 02 99.99 -99.99  21.80 
1941 03 99.99 -99.99  27.80 
1941 04 99.99 -99.99  28.70 
1941 05 99.99 -99.99  27.80 
1941 06 99.99 -99.99  27.80 
1941 07 99.99 -99.99  28.20 
1941 08 99.99 -99.99  28.70 
1941 09 99.99 -99.99  28.40 
1941 10 99.99 -99.99  26.90 
1941 11 99.99 -99.99  22.80 
1941 12 99.99 -99.99  21.30 
1942 01 99.99 -99.99  19.70 
1942 02 99.99 -99.99  22.10 
1942 03 99.99 -99.99  26.40 
1942 04 99.99 -99.99  27.90 
1942 05 99.99 -99.99  28.20 
1942 06 99.99 -99.99  28.60 
1942 07 99.99 -99.99  28.60 
1942 08 99.99 -99.99  28.10 
1942 09 99.99 -99.99  27.80 
1942 10 99.99 -99.99  27.80 
1942 11 99.99 -99.99  24.50 
1942 12 99.99 -99.99  19.60 
1943 01 99.99 -99.99  20.40 
1943 02 99.99 -99.99  19.79 
1943 03 99.99 -99.99  24.80 
1943 04 99.99 -99.99  29.60 
1943 05 99.99 -99.99  29.30 
1943 06 99.99 -99.99  28.10 
1943 07 99.99 -99.99  27.80 
1943 08 99.99 -99.99  27.50 
1943 09 99.99 -99.99  28.30 
1943 10 99.99 -99.99  27.30 
1943 11 99.99 -99.99  23.60 
1943 12 99.99 -99.99  20.40 
1944 01 99.99 -99.99  19.00 
1944 02 99.99 -99.99  21.20 
1944 03 99.99 -99.99  26.40 
1944 04 99.99 -99.99  27.90 
1944 05 99.99 -99.99  30.50 
1944 06 99.99 -99.99  30.90 
1944 07 99.99 -99.99  28.20 
1944 08 99.99 -99.99  28.40 
1944 09 99.99 -99.99  28.30 
1944 10 99.99 -99.99  27.70 
1944 11 99.99 -99.99  23.20 
1944 12 99.99 -99.99  20.40 
1945 01 99.99 -99.99  18.79 
1945 02 99.99 -99.99  20.80 
1945 03 99.99 -99.99  26.80 
1945 04 99.99 -99.99  27.90 
1945 05 99.99 -99.99  27.80 
1945 06 99.99 -99.99  28.30 
1945 07 99.99 -99.99  28.30 
1945 08 99.99 -99.99  27.90 
1945 09 99.99 -99.99  29.10 
1945 10 99.99 -99.99  26.70 
1945 11 99.99 -99.99  23.80 
1945 12 99.99 -99.99  19.50 
1946 01 99.99 -99.99  19.40 
1946 02 99.99 -99.99  23.20 
1946 03 99.99 -99.99  26.40 
1946 04 99.99 -99.99  26.40 
1946 05 99.99 -99.99  28.10 
1946 06 99.99 -99.99  28.30 
1946 07 99.99 -99.99  28.10 
1946 08 99.99 -99.99  28.40 
1946 09 99.99 -99.99  28.40 
1946 10 99.99 -99.99  26.40 
1946 11 99.99 -99.99  24.30 
1946 12 99.99 -99.99  20.50 
1947 01 99.99 -99.99  19.60 
1947 02 99.99 -99.99  21.80 
1947 03 99.99 -99.99  26.70 
1947 04 99.99 -99.99  29.70 
1947 05 99.99 -99.99  28.90 
1947 06 99.99 -99.99  28.60 
1947 07 99.99 -99.99  28.00 
1947 08 99.99 -99.99  28.30 
1947 09 99.99 -99.99  28.50 
1947 10 99.99 -99.99  27.90 
1947 11 99.99 -99.99  23.80 
1947 12 99.99 -99.99  20.90 
1948 01 99.99 -99.99  20.10 
1948 02 99.99 -99.99  21.80 
1948 03 99.99 -99.99  25.40 
1948 04 99.99 -99.99  27.30 
1948 05 99.99 -99.99  28.10 
1948 06 99.99 -99.99  28.80 
1948 07 99.99 -99.99  27.90 
1948 08 99.99 -99.99  27.40 
1948 09 99.99 -99.99  28.20 
1948 10 99.99 -99.99  26.70 
1948 11 99.99 -99.99  23.70 
1948 12 99.99 -99.99  19.90 
1949 01 26.90  11.10  19.00 
1949 02 28.10  11.10  19.60 
1949 03 33.20  20.80  27.00 
1949 04 30.30  22.00  26.15 
1949 05 31.30  24.30  27.80 
1949 06 30.70  26.10  28.40 
1949 07 30.60  25.40  28.00 
1949 08 30.70  25.50  28.10 
1949 09 31.30  25.40  28.34 
1949 10 32.20  24.50  28.35 
1949 11 29.30  17.50  23.40 
1949 12 25.90  11.10  18.50 
1950 01 27.20  12.50  19.85 
1950 02 27.10  14.10  20.60 
1950 03 32.30  19.00  25.65 
1950 04 33.30  23.50  28.40 
1950 05 33.00  25.10  29.05 
1950 06 30.20  25.70  27.95 
1950 07 30.10  25.20  27.65 
1950 08 28.10  24.80  26.45 
1950 09 31.80  26.20  29.00 
1950 10 29.20  23.90  26.55 
1950 11 26.80  18.40  22.59 
1950 12 24.40  13.40  18.90 
1951 01 23.60  12.60  18.10 
1951 02 27.10  14.20  20.65 
1951 03 30.20  20.70  25.45 
1951 04 30.90  22.80  26.84 
1951 05 31.40  23.90  27.65 
1951 06 29.90  25.50  27.70 
1951 07 29.50  25.00  27.25 
1951 08 30.40  25.70  28.05 
1951 09 30.50  25.60  28.05 
1951 10 29.10  24.40  26.75 
1951 11 27.00  19.29  23.15 
1951 12 25.30  15.10  20.20 
1952 01 23.90  13.50  18.70 
1952 02 27.30  14.70  21.00 
1952 03 28.60  18.50  23.55 
1952 04 30.80  22.80  26.80 
1952 05 30.50  25.00  27.75 
1952 06 30.90  25.70  28.30 
1952 07 30.00  25.30  27.65 
1952 08 30.50  25.50  28.00 
1952 09 29.70  25.30  27.50 
1952 10 29.80  24.40  27.09 
1952 11 27.50  19.70  23.60 
1952 12 24.20  13.90  19.04 
1953 01 23.20  12.00  17.60 
1953 02 27.20  15.80  21.50 
1953 03 29.80  21.90  25.84 
1953 04 32.40  23.60  28.00 
1953 05 32.20  24.30  28.25 
1953 06 31.30  25.00  28.15 
1953 07 30.60  25.50  28.05 
1953 08 31.70  25.60  28.65 
1953 09 31.60  25.60  28.60 
1953 10 30.90  23.60  27.25 
1953 11 28.50  15.80  22.15 
1953 12 29.20  18.20  23.70 
1954 01 25.40  12.00  18.70 
1954 02 30.50  17.40  23.95 
1954 03 33.50  19.29  26.40 
1954 04 33.59  24.60  29.09 
1954 05 33.30  25.40  29.34 
1954 06 29.50  24.70  27.10 
1954 07 30.40  23.90  27.15 
1954 08 30.50  24.60  27.55 
1954 09 32.50  25.30  28.90 
1954 10 31.20  22.80  27.00 
1954 11 28.70  17.79  23.25 
1954 12 26.60  14.80  20.70 
1955 01 26.60  12.30  19.45 
1955 02 29.40  12.70  21.05 
1955 03 33.20  19.90  26.55 
1955 04 33.90  21.30  27.60 
1955 05 33.00  25.10  29.05 
1955 06 31.40  25.50  28.45 
1955 07 29.90 -99.99 -99.99 
1955 08 30.30 -99.99 -99.99 
1955 09 31.80  25.90  28.84 
1955 10 31.00 -99.99 -99.99 
1955 11 29.00  21.90  25.45 
1955 12 26.30  13.70  20.00 
1956 01 26.60  12.20  19.40 
1956 02 29.10  12.80  20.95 
1956 03 32.50  20.40  26.45 
1956 04 34.09  22.60  28.34 
1956 05 32.09  24.80  28.45 
1956 06 29.80  24.90  27.34 
1956 07 31.30  25.00  28.15 
1956 08 31.30  25.20  28.25 
1956 09 31.30  24.50  27.90 
1956 10 32.20  23.60  27.90 
1956 11 29.60  18.90  24.25 
1956 12 27.10  13.10  20.10 
1957 01 25.90  13.00  19.45 
1957 02 27.00  14.20  20.60 
1957 03 30.80  17.29  24.05 
1957 04 34.80  23.30  29.05 
1957 05 33.50  25.20  29.35 
1957 06 31.80  24.90  28.34 
1957 07 30.90  25.50  28.20 
1957 08 32.09  25.50  28.80 
1957 09 32.09  25.30  28.70 
1957 10 31.60  22.50  27.05 
1957 11 29.80  16.50  23.15 
1957 12 27.50  12.90  20.20 
1958 01 28.30  13.30  20.80 
1958 02 27.90  14.70  21.30 
1958 03 33.80  19.00  26.40 
1958 04 34.59  24.00  29.30 
1958 05 32.90  25.60  29.25 
1958 06 32.90  25.80  29.35 
1958 07 32.00  25.60  28.80 
1958 08 31.20  25.50  28.35 
1958 09 32.40  25.40  28.90 
1958 10 31.80  24.20  28.00 
1958 11 30.50  19.40  24.95 
1958 12 27.20  14.30  20.75 
1959 01 26.00  13.10  19.54 
1959 02 27.20  14.10  20.65 
1959 03 31.60  19.20  25.40 
1959 04 33.30  23.80  28.55 
1959 05 32.59  24.30  28.45 
1959 06 31.30  25.60  28.45 
1959 07 31.30  25.50  28.40 
1959 08 31.20  25.30  28.25 
1959 09 30.50  24.80  27.65 
1959 10 30.40  23.60  27.00 
1959 11 28.80  17.40  23.09 
1959 12 27.00  13.70  20.35 
1960 01 26.80  11.00  18.90 
1960 02 31.20  14.60  22.90 
1960 03 32.00  18.10  25.05 
1960 04 35.40  24.30  29.85 
1960 05 34.20  25.80  30.00 
1960 06 30.80  25.90  28.34 
1960 07 30.10  25.30  27.70 
1960 08 31.90  25.60  28.75 
1960 09 31.40  24.30  27.84 
1960 10 31.20  23.60  27.40 
1960 11 28.60  18.10  23.35 
1960 12 27.50  14.40  20.95 
1961 01 26.60  13.40  20.00 
1961 02 26.50  14.00  20.25 
1961 03 32.80  22.40  27.59 
1961 04 34.20  23.30  28.75 
1961 05 33.20  25.10  29.15 
1961 06 31.60  25.20  28.40 
1961 07 31.50  25.40  28.45 
1961 08 31.30  25.50  28.40 
1961 09 31.70  24.80  28.25 
1961 10 31.60  23.40  27.50 
1961 11 29.00  17.10  23.05 
1961 12 25.80  11.20  18.50 
1962 01 25.70   9.89  17.79 
1962 02 28.30  14.70  21.50 
1962 03 33.20  17.90  25.55 
1962 04 33.70  24.10  28.90 
1962 05 33.09  22.20  27.65 
1962 06 31.40  23.90  27.65 
1962 07 32.40  24.70  28.55 
1962 08 31.60  22.70  27.15 
1962 09 32.80  25.20  29.00 
1962 10 30.90  23.00  26.95 
1962 11 29.30  17.20  23.25 
1962 12 27.00  12.70  19.85 
1964 01 24.90  12.00  18.45 
1964 02 29.00  15.50  22.25 
1964 03 33.09  21.10  27.09 
1964 04 32.59  23.10  27.84 
1964 05 32.70  23.60  28.15 
1964 06 31.30  24.30  27.80 
1964 07 29.80  24.10  26.95 
1964 08 31.50  25.10  28.30 
1964 09 32.00  25.30  28.65 
1964 10 30.80  24.10  27.45 
1964 11 29.30  19.40  24.34 
1964 12 27.30  14.10  20.70 
1965 01 26.00  12.30  19.15 
1965 02 28.50  13.70  21.10 
1965 03 31.40  18.00  24.70 
1965 04 33.80  22.80  28.30 
1965 05 33.50  25.00  29.25 
1965 06 31.50  24.70  28.10 
1965 07 31.00  24.80  27.90 
1965 08 30.20  25.00  27.60 
1965 09 31.50  25.30  28.40 
1965 10 31.50  23.70  27.60 
1965 11 30.00  18.70  24.35 
1965 12 26.70  15.30  21.00 
1966 01 25.90  13.80  19.85 
1966 02 30.20  16.10  23.15 
1966 03 33.20  19.40  26.30 
1966 04 35.30  23.70  29.50 
1966 05 35.20  25.00  30.10 
1966 06 30.60  25.00  27.80 
1966 07 31.20  25.40  28.30 
1966 08 30.70  25.50  28.10 
1966 09 31.30  24.90  28.09 
1966 10 30.40  22.40  26.40 
1966 11 29.40  19.79  24.59 
1966 12 25.10  14.20  19.65 
1967 02 29.20  16.90  23.05 
1967 03 29.70  19.60  24.65 
1967 04 33.09  21.90  27.50 
1967 05 32.50  24.60  28.55 
1967 06 31.70  25.40  28.55 
1967 07 31.30  25.20  28.25 
1967 08 31.40  24.90  28.15 
1967 09 30.60  24.70  27.65 
1967 10 30.60  22.70  26.65 
1967 11 28.70  16.00  22.35 
1967 12 26.90  13.50  20.20 
1968 01 25.80  12.00  18.90 
1968 02 28.10  13.80  20.95 
1968 03 31.70  19.29  25.50 
1968 04 32.30  21.90  27.09 
1968 05 32.40  24.20  28.30 
1968 06 30.20  24.90  27.55 
1968 07 31.10  25.80  28.45 
1968 08 31.40  25.60  28.50 
1968 09 31.80  25.70  28.75 
1968 10 30.90  23.20  27.05 
1968 11 29.30  18.90  24.09 
1969 01 25.20  10.20  17.70 
1969 02 29.60  13.60  21.60 
1969 03 32.40  20.29  26.35 
1969 04 33.30  23.00  28.15 
1969 05 34.20  24.50  29.35 
1969 06 30.80  24.30  27.55 
1969 07 30.70  24.90  27.80 
1969 08 30.00  24.70  27.35 
1969 09 31.80  24.80  28.30 
1969 10 31.90  23.60  27.75 
1969 11 29.30  21.00  25.15 
1969 12 27.30  16.60  21.95 
1970 01 25.60  14.70  20.15 
1970 02 28.90  15.70  22.30 
1970 03 31.60  20.20  25.90 
1970 04 33.20  24.00  28.60 
1970 05 33.40  25.90  29.65 
1970 06 31.90  27.00  29.45 
1970 07 30.50  26.00  28.25 
1970 08 31.50  26.00  28.75 
1970 09 31.60  26.40  29.00 
1970 10 30.30  24.10  27.20 
1970 11 29.20  20.90  25.05 
1971 01 25.60  12.90  19.25 
1971 02 28.20  14.20  21.20 
1971 03 32.80  17.40  25.09 
1971 05 33.50  24.90  29.20 
1971 06 31.50  25.00  28.25 
1971 07 30.20  24.90  27.55 
1971 08 30.20  24.50  27.35 
1971 09 31.90  25.10  28.50 
1971 10 30.40  23.90  27.15 
1971 11 29.20  17.70  23.45 
1972 03 32.70  21.90  27.30 
1972 04 32.70  23.80  28.25 
1972 05 32.90  26.30  29.60 
1972 06 31.70  25.60  28.65 
1972 07 32.09  26.50  29.30 
1972 08 30.70  25.20  27.95 
1972 09 32.70  26.10  29.40 
1972 10 32.59  24.40  28.50 
1972 11 30.50  19.50  25.00 
1972 12 27.50  12.40  19.95 
1973 01 25.40  11.90  18.65 
1973 02 26.30  16.20  21.25 
1973 03 29.80  17.70  23.75 
1973 04 29.40  23.70  26.55 
1973 05 31.20  23.90  27.55 
1973 06 30.90  25.10  28.00 
1973 07 31.70  25.60  28.65 
1973 08 31.20  24.90  28.05 
1973 09 30.60  24.70  27.65 
1973 10 30.80  23.70  27.25 
1973 11 28.10  19.10  23.60 
1973 12 24.40  14.30  19.35 
1974 01 24.60  12.00  18.29 
1974 02 27.90  13.30  20.60 
1974 03 31.10  19.70  25.40 
1974 04 31.30  23.00  27.15 
1974 05 31.70  24.10  27.90 
1974 06 30.80  24.90  27.84 
1974 07 28.80  25.00  26.90 
1974 08 30.20  25.40  27.80 
1974 09 30.20  24.90  27.55 
1974 10 31.40  24.80  28.09 
1974 11 30.20  21.90  26.05 
1974 12 25.40  14.40  19.90 
1975 01 25.40  12.20  18.79 
1975 02 28.60  15.70  22.15 
1975 03 32.30  20.00  26.15 
1975 04 32.40  23.70  28.05 
1975 05 32.40  24.90  28.65 
1975 06 31.40  24.90  28.15 
1975 07 29.60  24.90  27.25 
1975 08 31.30  25.50  28.40 
1975 09 30.50  25.20  27.85 
1975 10 30.60  24.90  27.75 
1975 11 27.70  19.40  23.55 
1975 12 25.50  13.30  19.40 
1976 01 25.40  11.80  18.60 
1976 02 27.90  16.00  21.95 
1976 03 31.20  20.60  25.90 
1976 04 32.70  23.50  28.10 
1976 05 31.20  24.30  27.75 
1976 06 29.60  24.80  27.20 
1976 07 30.10  25.30  27.70 
1976 08 30.10  25.00  27.55 
1976 09 31.10  25.30  28.20 
1976 10 30.40  23.00  26.70 
1976 11 29.70  20.10  24.90 
1976 12 26.00  12.10  19.04 
1977 01 24.80  11.50  18.15 
1977 02 27.50  14.30  20.90 
1977 03 31.30  21.20  26.25 
1977 04 29.10  21.80  25.45 
1977 05 30.40  23.60  27.00 
1977 06 29.80  24.90  27.34 
1977 07 30.40  25.90  28.15 
1977 08 31.00  25.70  28.35 
1977 09 31.90  25.80  28.84 
1977 10 30.50  22.30  26.40 
1977 11 28.90  19.60  24.25 
1977 12 26.20  13.50  19.85 
1979 01 26.90  12.70  19.79 
1979 02 26.70  14.00  20.35 
1979 03 30.90  19.20  25.05 
1979 04 33.40  23.40  28.40 
1979 05 33.40  25.70  29.55 
1979 06 32.90  25.80  29.35 
1979 07 30.90  26.00  28.45 
1979 08 30.80  25.90  28.34 
1979 09 31.10  25.50  28.30 
1979 10 31.00  23.00  27.00 
1979 11 30.50  19.70  25.10 
1979 12 25.90  15.10  20.50 
1980 01 25.10  12.60  18.85 
1980 02 27.00  15.70  21.35 
1980 03 30.60  20.90  25.75 
1980 04 33.20  24.30  28.75 
1980 05 31.10  22.80  26.95 
1980 06 30.90  25.60  28.25 
1980 07 30.80  25.40  28.09 
1980 08 30.90  25.50  28.20 
1980 09 31.10  25.60  28.35 
1980 10 30.50  23.10  26.80 
1980 11 30.10  17.00  23.55 
1980 12 27.00  13.60  20.29 
1981 01 25.10  12.60  18.85 
1981 02 26.50  15.50  21.00 
1981 03 29.50  18.60  24.05 
1981 04 28.80  21.60  25.20 
1981 05 30.50  23.40  26.95 
1981 06 30.70  25.10  27.90 
1981 07 29.30  25.00  27.15 
1981 08 32.30  25.70  29.00 
1981 09 31.80  25.60  28.70 
1981 10 31.80  22.80  27.30 
1981 11 30.30  17.20  23.75 
1981 12 25.60  13.10  19.35 
1982 01 26.40  11.50  18.95 
1982 02 27.10  15.40  21.25 
1982 03 29.90  17.70  23.80 
1982 04 31.40  21.80  26.59 
1982 05 33.30  24.50  28.90 
1982 06 30.30  25.30  27.80 
1982 07 31.40  25.70  28.55 
1982 08 30.60  25.30  27.95 
1982 09 31.50  25.30  28.40 
1982 10 31.50  23.00  27.25 
1982 11 28.20  17.70  22.95 
1982 12 25.80  12.10  18.95 
1983 01 99.99  12.00 -99.99 
1983 02 28.40  15.30  21.85 
1983 03 30.00  20.90  25.45 
1983 04 31.90  22.70  27.30 
1983 05 31.80  23.90  27.84 
1983 06 31.30  25.80  28.55 
1983 07 31.60  26.10  28.85 
1983 08 31.30  25.30  28.30 
1983 09 31.70  25.90  28.80 
1983 10 31.20  23.80  27.50 
1983 11 30.30  19.60  24.95 
1983 12 25.80  12.90  19.34 
1984 01 24.90  11.70  18.29 
1984 02 26.90  13.80  20.35 
1984 03 32.70  19.50  26.10 
1984 04 33.59  23.10  28.34 
1984 05 30.90  24.90  27.90 
1984 06 31.70  25.20  28.45 
1984 07 30.50  25.40  27.95 
1984 08 31.90  25.20  28.55 
1984 09 31.10  24.60  27.85 
1984 10 31.70  23.70  27.70 
1984 11 30.30  17.29  23.80 
1984 12 27.20  12.70  19.95 
1985 01 26.20  13.00  19.60 
1985 02 28.00  14.80  21.40 
1985 03 31.40  21.70  26.55 
1985 04 32.59  24.00  28.30 
1985 05 32.30  24.00  28.15 
1985 06 32.40  25.40  28.90 
1985 07 30.60  25.00  27.80 
1985 08 31.90  25.70  28.80 
1985 09 31.70  25.00  28.35 
1985 10 32.30  23.00  27.65 
1985 11 29.30  17.00  23.15 
1985 12 27.70  13.90  20.80 
1986 01 25.90  12.60  19.25 
1986 02 28.60  15.20  21.90 
1986 03 33.00  19.20  26.10 
1986 04 31.90  22.00  26.95 
1986 05 33.00  22.70  27.85 
1986 06 33.09  25.70  29.40 
1986 07 31.40  25.30  28.34 
1986 08 32.59  25.40  29.00 
1986 09 31.40  24.90  28.15 
1986 10 31.00  23.10  27.05 
1986 11 29.60  19.70  24.65 
1986 12 27.10  14.40  20.75 
1987 01 26.30  15.60  20.95 
1987 02 28.30  15.90  22.09 
1987 03 30.30  19.70  25.00 
1987 04 31.80  22.90  27.34 
1987 05 33.80  24.60  29.20 
1987 06 32.40  26.50  29.45 
1987 07 30.60  25.80  28.20 
1987 08 31.00  26.00  28.50 
1987 09 31.40  25.60  28.50 
1987 10 32.20  23.80  28.00 
1987 11 29.90  19.90  24.90 
1987 12 27.20  14.30  20.75 
