1931 01 26.80  16.79  21.80 
1931 02 24.70  16.60  20.65 
1931 03 26.70  17.60  22.15 
1931 04 26.70  18.29  22.50 
1931 05 27.20  19.70  23.45 
1931 06 27.10  20.40  23.75 
1931 07 28.10  20.29  24.20 
1931 08 28.40  20.40  24.40 
1931 09 27.70  19.90  23.80 
1931 10 28.10  19.60  23.85 
1931 11 26.30  18.79  22.55 
1931 12 25.90  18.00  21.95 
1932 01 24.70  16.70  20.70 
1932 02 27.10  16.40  21.75 
1932 03 28.10  17.00  22.55 
1932 04 27.90  17.90  22.90 
1932 05 27.80  19.40  23.59 
1932 06 26.90  20.29  23.59 
1932 07 27.10  20.20  23.65 
1932 08 27.80  20.60  24.20 
1932 09 28.10  20.00  24.05 
1932 10 27.90  19.70  23.80 
1932 11 27.20  19.40  23.30 
1932 12 26.10  18.29  22.20 
1933 01 25.70  16.90  21.30 
1933 02 99.99  16.00 -99.99 
1933 03 25.00  17.29  21.15 
1933 04 27.80  16.70  22.25 
1933 05 27.80  18.90  23.34 
1933 06 27.20  19.40  23.30 
1933 07 27.80  20.10  23.95 
1933 08 28.90  20.00  24.45 
1933 09 28.30  20.60  24.45 
1933 10 28.40  19.40  23.90 
1933 11 27.80  19.00  23.40 
1933 12 27.80  17.79  22.80 
1934 01 25.70  16.70  21.20 
1934 02 26.70  16.70  21.70 
1934 03 26.70  16.70  21.70 
1934 04 27.80  17.79  22.80 
1934 05 26.80  18.90  22.84 
1934 06 27.90  19.10  23.50 
1934 07 27.80  20.10  23.95 
1934 08 28.40  20.60  24.50 
1934 09 28.90  20.10  24.50 
1934 10 29.40  19.60  24.50 
1934 11 29.50  18.40  23.95 
1934 12 26.70  18.10  22.40 
1935 01 27.30  16.10  21.70 
1935 02 26.80  16.70  21.75 
1935 03 28.00  16.70  22.35 
1935 04 26.10  17.40  21.75 
1935 05 25.20  18.40  21.80 
1935 06 26.10  19.40  22.75 
1935 07 25.80  19.90  22.84 
1935 08 26.60  19.90  23.25 
1935 09 26.60  20.20  23.40 
1935 10 26.40  19.20  22.80 
1935 11 27.90  18.00  22.95 
1935 12 26.00  17.60  21.80 
1936 01 24.80  17.10  20.95 
1936 02 25.40  16.10  20.75 
1936 03 26.30  16.40  21.34 
1936 04 26.20  18.20  22.20 
1936 05 26.10  19.40  22.75 
1936 06 26.60  20.29  23.45 
1936 07 26.50  20.10  23.30 
1936 08 27.00  20.29  23.65 
1936 09 27.30  19.90  23.59 
1936 10 26.40  19.70  23.05 
1936 11 26.40  18.70  22.55 
1936 12 25.10  17.20  21.15 
1937 01 22.30  16.90  19.59 
1937 02 25.40  16.20  20.80 
1937 03 28.20  17.20  22.70 
1937 04 99.99  18.20 -99.99 
1937 05 99.99  19.20 -99.99 
1937 06 99.99  19.90 -99.99 
1937 07 99.99  20.29 -99.99 
1937 08 99.99  20.40 -99.99 
1937 09 99.99  19.70 -99.99 
1937 10 99.99  19.40 -99.99 
1937 11 99.99  19.70 -99.99 
1937 12 99.99  17.79 -99.99 
1938 01 24.20  16.79  20.50 
1938 02 23.80  15.70  19.75 
1938 03 24.80  16.60  20.70 
1938 04 25.40  16.40  20.90 
1938 05 27.20  18.60  22.90 
1938 06 25.60  19.50  22.55 
1938 07 26.40  19.90  23.15 
1938 08 26.80  20.29  23.55 
1938 09 27.00  20.10  23.55 
1938 10 28.20  19.50  23.85 
1938 11 24.90  18.70  21.80 
1938 12 24.90  18.20  21.55 
1939 01 99.99  16.79 -99.99 
1939 02 99.99  16.10 -99.99 
1939 03 99.99  16.29 -99.99 
1939 04 99.99  17.10 -99.99 
1939 05 99.99  18.70 -99.99 
1939 06 99.99  19.60 -99.99 
1939 07 99.99  20.20 -99.99 
1939 08 26.90  20.40  23.65 
1939 09 27.70  20.10  23.90 
1939 10 27.60  19.79  23.70 
1939 11 26.00  19.29  22.65 
1939 12 26.10  18.10  22.10 
1940 01 25.70  17.29  21.50 
1940 02 24.70  17.20  20.95 
1940 03 25.10  17.20  21.15 
1940 04 25.80  18.40  22.09 
1940 05 25.50  19.10  22.30 
1940 06 26.30  20.20  23.25 
1940 07 26.40  20.60  23.50 
1940 08 28.10  20.80  24.45 
1940 09 28.30  19.79  24.05 
1940 10 26.90  19.90  23.40 
1940 11 26.90  18.79  22.84 
1940 12 25.80  18.10  21.95 
1941 01 25.60  16.90  21.25 
1941 02 26.80  17.20  22.00 
1941 03 27.40  17.60  22.50 
1941 04 27.70  18.20  22.95 
1941 05 27.30  19.29  23.30 
1941 06 27.30  19.90  23.59 
1941 07 26.70  19.90  23.30 
1941 08 28.10  20.29  24.20 
1941 09 28.20  20.29  24.25 
1941 10 29.40  19.50  24.45 
1941 11 28.40  19.29  23.84 
1941 12 27.20  18.60  22.90 
1942 01 25.30  17.40  21.34 
1942 02 26.20  16.79  21.50 
1942 03 27.40  17.60  22.50 
1942 04 25.30  17.90  21.59 
1942 05 28.50  18.40  23.45 
1942 06 28.20  19.40  23.80 
1942 07 27.80  19.70  23.75 
1942 08 28.20  19.79  24.00 
1942 09 28.50  19.70  24.10 
1942 10 29.50  19.00  24.25 
1942 11 28.20  18.40  23.30 
1942 12 27.70  18.29  23.00 
1943 01 25.90  17.00  21.45 
1943 02 26.70  16.29  21.50 
1943 03 26.50  16.40  21.45 
1943 04 26.30  17.50  21.90 
1943 05 25.80  18.29  22.05 
1943 06 27.30  19.10  23.20 
1943 07 27.70  19.40  23.55 
1943 08 28.20  20.10  24.15 
1943 09 29.30  20.10  24.70 
1943 10 27.90  19.70  23.80 
1943 11 27.90  18.70  23.30 
1943 12 27.80  17.90  22.84 
1944 01 26.90  16.40  21.65 
1944 02 26.90  16.00  21.45 
1944 03 28.00  16.29  22.15 
1944 04 27.10  17.60  22.35 
1944 05 27.70  17.70  22.70 
1944 06 28.30  19.60  23.95 
1944 07 27.60  20.20  23.90 
1944 08 28.70  20.20  24.45 
1944 09 28.20  19.50  23.85 
1944 10 28.60  19.40  24.00 
1944 11 28.10  17.79  22.95 
1944 12 27.10  16.79  21.95 
1945 01 27.60  15.60  21.60 
1945 02 25.90  16.40  21.15 
1945 03 26.90  16.40  21.65 
1945 04 25.80  17.10  21.45 
1945 05 25.90  18.29  22.09 
1945 06 27.00  19.10  23.05 
1945 07 27.20  19.90  23.55 
1945 08 27.40  19.60  23.50 
1945 09 27.60  19.60  23.60 
1945 10 27.70  19.29  23.50 
1945 11 27.20  17.79  22.50 
1945 12 25.90  17.50  21.70 
1946 01 25.10  17.00  21.05 
1946 02 23.80  15.80  19.79 
1946 03 24.70  16.60  20.65 
1946 04 25.50  16.90  21.20 
1946 05 24.50  18.10  21.30 
1946 06 25.30  19.40  22.34 
1946 07 25.90  19.40  22.65 
1946 08 26.90  19.50  23.20 
1946 09 26.90  19.20  23.05 
1946 10 26.30  18.70  22.50 
1946 11 26.30  17.79  22.05 
1946 12 24.70  17.50  21.10 
1947 01 24.20  16.90  20.55 
1947 02 24.70  16.90  20.80 
1947 03 25.20  17.10  21.15 
1947 04 25.50  17.40  21.45 
1947 05 25.30  18.00  21.65 
1947 06 26.10  19.70  22.90 
1947 07 26.20  19.60  22.90 
1947 08 27.00  19.60  23.30 
1947 09 27.70  19.29  23.50 
1947 10 28.10  19.40  23.75 
1947 11 27.70  17.90  22.80 
1947 12 26.90  16.90  21.90 
1948 01 25.40  17.10  21.25 
1948 02 25.60  16.20  20.90 
1948 03 24.90  16.29  20.59 
1948 04 26.10  16.60  21.35 
1948 05 25.90  19.10  22.50 
1948 06 26.60  19.50  23.05 
1948 07 26.30  19.60  22.95 
1948 08 27.10  19.70  23.40 
1948 09 26.90  19.40  23.15 
1948 10 27.30  18.79  23.05 
1948 11 26.60  18.20  22.40 
1948 12 25.70  17.20  21.45 
1949 01 24.80  15.50  20.15 
1949 02 24.70  15.30  20.00 
1949 03 24.80  15.80  20.29 
1949 04 25.50  16.70  21.10 
1949 05 24.80  18.20  21.50 
1949 06 25.60  18.90  22.25 
1949 07 26.00  18.60  22.30 
1949 08 27.20  19.29  23.25 
1949 09 26.90  18.90  22.90 
1949 10 26.90  18.29  22.59 
1949 11 27.20  17.70  22.45 
1949 12 25.50  16.90  21.20 
1950 01 23.10  14.90  19.00 
1950 02 23.30  15.20  19.25 
1950 03 24.40  15.80  20.10 
1950 04 24.60  16.00  20.29 
1950 05 24.70  17.20  20.95 
1950 06 25.20  18.60  21.90 
1950 07 25.70  18.60  22.15 
1950 08 26.90  18.79  22.84 
1950 09 26.90  18.90  22.90 
1950 10 26.90  18.40  22.65 
1950 11 26.70  17.70  22.20 
1950 12 25.60  16.60  21.10 
1951 01 24.80  15.00  19.90 
1951 02 25.60  14.00  19.79 
1951 03 26.60  14.10  20.35 
1951 04 25.80  17.79  21.80 
1951 05 26.10  18.60  22.35 
1951 06 26.60  18.90  22.75 
1951 07 26.90  20.70  23.80 
1951 08 28.60  20.50  24.55 
1951 09 28.10  18.90  23.50 
1951 10 28.10  18.70  23.40 
1951 11 27.70  18.00  22.85 
1951 12 26.00  16.90  21.45 
1952 01 26.00  15.80  20.90 
1952 02 25.60  15.90  20.75 
1952 03 26.50  15.50  21.00 
1952 04 26.30  16.79  21.55 
1952 05 28.30  18.10  23.20 
1952 06 27.40  18.60  23.00 
1952 07 26.90  19.50  23.20 
1952 08 28.00  20.29  24.15 
1952 09 27.40  19.60  23.50 
1952 10 27.80  19.60  23.70 
1952 11 27.50  18.20  22.85 
1952 12 26.30  16.70  21.50 
1953 01 25.10  16.20  20.65 
1953 02 25.30  16.79  21.05 
1953 03 26.80  17.00  21.90 
1953 04 27.80  16.90  22.34 
1953 05 26.70  18.79  22.75 
1953 06 26.10  19.10  22.60 
1953 07 26.20  19.79  23.00 
1953 08 27.10  19.79  23.45 
1953 09 27.30  19.60  23.45 
1953 10 28.10  18.90  23.50 
1953 11 27.70  18.20  22.95 
1953 12 25.70  17.60  21.65 
1954 01 24.90  16.60  20.75 
1954 02 24.60  16.40  20.50 
1954 03 25.80  16.50  21.15 
1954 04 25.60  16.60  21.10 
1954 05 26.40  17.20  21.80 
1954 06 26.50  18.70  22.60 
1954 07 26.70  19.10  22.90 
1954 08 27.50  19.29  23.40 
1954 09 26.90  18.79  22.84 
1954 10 25.70  18.10  21.90 
1954 11 26.90  17.50  22.20 
1954 12 25.70  16.10  20.90 
1955 01 25.65  14.45  20.04 
1955 02 24.79  15.06  19.92 
1955 03 25.15  14.61  19.87 
1955 04 26.36  15.80  21.08 
1955 05 25.96  18.79  22.38 
1955 06 25.96  19.43  22.69 
1955 07 27.13  19.54  23.33 
1955 08 27.55  19.56  23.55 
1955 09 27.77  19.48  23.62 
1955 10 27.96  19.21  23.59 
1955 11 27.49  18.09  22.79 
1955 12 26.39  16.74  21.56 
1956 01 25.74  15.22  20.48 
1956 02 25.07  15.52  20.29 
1956 03 25.46  16.25  20.85 
1956 04 24.90  17.12  21.01 
1956 05 25.16  17.85  21.50 
1956 06 25.46  18.51  21.98 
1956 07 26.68  18.79  22.73 
1956 08 27.14  18.95  23.04 
1956 09 27.46  18.78  23.12 
1956 10 27.05  18.34  22.69 
1956 11 26.59  17.26  21.92 
1956 12 25.05  16.59  20.82 
1957 01 25.08  15.95  20.51 
1957 02 24.67  15.63  20.15 
1957 03 25.79  15.27  20.53 
1957 04 25.65  16.29  20.97 
1957 05 25.20  17.42  21.31 
1957 06 25.85  18.45  22.15 
1957 07 26.55  18.81  22.68 
1957 08 27.21  18.95  23.08 
1957 09 27.80  18.81  23.30 
1957 10 27.99  17.79  22.89 
1957 11 27.13  17.52  22.32 
1957 12 25.59  16.43  21.01 
1958 01 25.34  15.41  20.37 
1958 02 26.14  14.54  20.34 
1958 03 27.21  16.26  21.73 
1958 04 99.99  18.84 -99.99 
1958 05 99.99  19.79 -99.99 
1958 06 27.01  20.20  23.60 
1958 07 27.33  19.77  23.55 
1958 08 28.27  19.58  23.92 
1958 09 29.01  19.56  24.28 
1958 10 27.34  19.28  23.31 
1958 11 27.53  18.09  22.81 
1958 12 26.52  17.23  21.87 
1959 01 25.84  16.29  21.06 
1959 02 24.98  15.95  20.46 
1959 03 25.84  16.64  21.24 
1959 04 25.69  16.89  21.29 
1959 05 24.54  16.89  20.71 
1959 06 25.70  18.02  21.86 
1959 07 26.35  18.04  22.20 
1959 08 27.11  18.03  22.57 
1959 09 27.95  18.93  23.44 
1959 10 26.74  18.89  22.81 
1959 11 26.97  18.70  22.83 
1959 12 25.77  18.85  22.31 
1960 01 25.87  17.37  21.62 
1960 02 26.42  17.42  21.92 
1960 03 25.95  17.43  21.69 
1960 04 24.86  18.51  21.68 
1960 05 25.80  19.32  22.56 
1960 06 25.39  20.15  22.77 
1960 07 25.75  19.95  22.85 
1960 08 26.00  20.23  23.11 
1960 09 26.69  19.71  23.20 
1960 10 26.38  20.11  23.24 
1960 11 26.82  19.04  22.93 
1960 12 24.54  17.51  21.02 
1961 01 24.51  17.68  21.09 
1961 02 24.46  17.01  20.73 
1961 03 25.09  16.99  21.04 
1961 04 25.27  17.92  21.59 
1961 05 25.02  18.77  21.89 
1961 06 25.62  18.87  22.25 
1961 07 26.71  19.04  22.87 
1961 08 27.43  19.56  23.49 
1961 09 28.35  19.10  23.72 
1968 02 26.35  13.66  20.00 
