1927 09 25.90  19.60  22.75 
1927 10 27.10  21.70  24.40 
1927 11 30.40  24.00  27.20 
1927 12 30.30  24.50  27.40 
1928 01 30.80  24.60  27.70 
1928 02 31.10  25.50  28.30 
1928 03 27.90  23.40  25.65 
1928 04 28.70  23.30  26.00 
1928 05 24.30  19.40  21.84 
1928 06 22.30  17.29  19.79 
1928 07 22.30  17.50  19.90 
1928 08 22.80  18.50  20.65 
1928 09 26.90  20.10  23.50 
1928 10 30.40  23.70  27.05 
1928 11 29.70  23.70  26.70 
1928 12 30.40  24.70  27.55 
1929 01 30.40  25.20  27.80 
1929 02 31.00  25.40  28.20 
1929 03 29.20  23.80  26.50 
1929 04 27.60  21.70  24.65 
1929 05 24.80  19.60  22.20 
1929 06 22.80  17.70  20.25 
1929 07 21.50  16.50  19.00 
1929 08 22.60  17.90  20.25 
1929 09 24.30  18.90  21.59 
1929 10 28.70  22.50  25.60 
1929 11 30.80  24.40  27.59 
1929 12 32.30  25.60  28.95 
1930 01 30.10  24.70  27.40 
1930 02 29.60  24.20  26.90 
1930 03 28.20  23.30  25.75 
1930 04 27.20  22.30  24.75 
1930 05 24.50  20.29  22.40 
1930 06 22.20  17.50  19.85 
1930 07 22.70  17.79  20.25 
1930 08 24.20  18.60  21.40 
1930 09 26.30  20.40  23.34 
1930 10 27.10  22.20  24.65 
1930 11 29.90  23.70  26.80 
1930 12 30.40  24.20  27.30 
1931 01 32.59  26.20  29.40 
1931 02 31.30  25.30  28.30 
1931 03 29.90  24.70  27.30 
1931 04 27.70  23.10  25.40 
1931 05 25.90  21.50  23.70 
1931 06 23.90  20.00  21.95 
1931 07 23.60  18.10  20.85 
1931 08 24.30  19.10  21.70 
1931 09 99.99  21.40 -99.99 
1931 10 28.10  21.80  24.95 
1931 11 29.80  23.70  26.75 
1931 12 30.30  24.60  27.45 
1932 01 29.20  23.80  26.50 
1932 02 31.30  25.30  28.30 
1932 03 28.70  24.20  26.45 
1932 04 29.90  24.20  27.05 
1932 05 24.40  20.20  22.30 
1932 06 23.60  18.20  20.90 
1932 07 22.50  16.40  19.45 
1932 08 23.10  17.20  20.15 
1932 09 26.90  20.29  23.59 
1932 10 29.90  23.30  26.59 
1932 11 29.90  23.90  26.90 
1932 12 30.60  24.60  27.60 
1933 01 32.50  25.80  29.15 
1933 02 29.40  24.30  26.84 
1933 03 31.40  25.50  28.45 
1933 04 28.20  23.10  25.65 
1933 05 26.50  21.10  23.80 
1933 06 23.10  18.29  20.70 
1933 07 22.30  17.70  20.00 
1933 08 22.20  17.79  20.00 
1933 09 25.20  20.40  22.80 
1933 10 27.30  21.80  24.55 
1933 11 28.30  22.70  25.50 
1933 12 30.10  24.10  27.10 
1934 01 28.30  22.90  25.59 
1934 02 29.00  23.90  26.45 
1934 03 27.70  22.80  25.25 
1934 04 27.80  22.60  25.20 
1934 05 24.50  19.70  22.10 
1934 06 22.90  18.70  20.80 
1934 07 22.90  18.20  20.55 
1934 08 23.80  18.20  21.00 
1934 09 25.60  19.70  22.65 
1934 10 28.10  22.30  25.20 
1934 11 30.80  24.20  27.50 
1934 12 32.59  25.70  29.15 
1935 01 33.00  26.20  29.60 
1935 02 33.70  26.70  30.20 
1935 03 29.30  23.90  26.59 
1935 04 28.40  22.40  25.40 
1935 05 25.10  20.20  22.65 
1935 06 23.30  18.70  21.00 
1935 07 23.10  17.90  20.50 
1935 08 23.70  18.29  21.00 
1935 09 27.40  21.30  24.34 
1935 10 28.20  22.50  25.35 
1935 11 29.20  23.40  26.30 
1935 12 32.90  25.50  29.20 
1936 01 31.10  25.10  28.10 
1936 02 29.30  24.70  27.00 
1936 03 29.00  24.00  26.50 
1936 04 26.60  22.10  24.35 
1936 05 24.80  20.20  22.50 
1936 06 22.20  17.79  20.00 
1936 07 22.20  18.00  20.10 
1936 08 25.70  19.79  22.75 
1936 09 26.00  20.40  23.20 
1936 10 30.20  23.10  26.65 
1936 11 30.50  23.90  27.20 
1936 12 30.80  24.80  27.80 
1937 01 32.09  26.20  29.15 
1937 02 31.60  24.80  28.20 
1937 03 28.40  23.60  26.00 
1937 04 28.10  22.40  25.25 
1937 05 26.50  20.90  23.70 
1937 06 23.30  17.90  20.59 
1937 07 21.40  17.10  19.25 
1937 08 22.90  17.60  20.25 
1937 09 25.60  20.00  22.80 
1937 10 29.90  22.50  26.20 
1937 11 30.90  23.90  27.40 
1937 12 32.70  25.50  29.10 
1938 01 32.09  25.80  28.95 
1938 02 31.60  25.40  28.50 
1938 03 30.50  24.30  27.40 
1938 04 29.40  23.30  26.34 
1938 05 25.90  21.50  23.70 
1938 06 23.40  19.29  21.34 
1938 07 21.90  16.79  19.34 
1938 08 22.60  17.70  20.15 
1938 09 24.60  19.20  21.90 
1938 10 27.50  21.70  24.60 
1938 11 29.90  23.60  26.75 
1938 12 30.70  24.40  27.55 
1939 01 31.50  25.20  28.35 
1939 02 28.90  23.70  26.30 
1939 03 29.80  24.20  27.00 
1939 04 26.40  22.20  24.30 
1939 05 25.40  20.40  22.90 
1939 06 23.70  18.70  21.20 
1939 07 22.20  17.20  19.70 
1939 08 24.20  16.90  20.55 
1939 09 24.90  18.70  21.80 
1939 10 28.30  21.80  25.05 
1939 11 30.40  23.80  27.09 
1939 12 32.59  25.20  28.90 
1940 01 30.80  24.70  27.75 
1940 02 30.30  24.90  27.59 
1940 03 28.50  23.30  25.90 
1940 04 26.30  22.20  24.25 
1940 05 24.90  20.29  22.59 
1940 06 23.00  18.90  20.95 
1940 07 22.60  17.40  20.00 
1940 08 23.20  18.10  20.65 
1940 09 24.80  19.50  22.15 
1940 10 27.90  21.60  24.75 
1940 11 31.10  24.10  27.60 
1940 12 32.09  24.80  28.45 
1941 01 30.20  24.20  27.20 
1941 02 29.30  23.80  26.55 
1941 03 29.30  24.20  26.75 
1941 04 25.90  21.30  23.59 
1941 05 23.80  19.29  21.55 
1941 06 22.60  16.90  19.75 
1941 07 22.70  16.90  19.79 
1941 08 23.20  16.70  19.95 
1941 09 26.20  19.70  22.95 
1941 10 28.80  21.80  25.30 
1941 11 29.50  23.70  26.60 
1941 12 31.20  24.40  27.80 
1942 01 32.00  25.10  28.55 
1942 02 30.80  24.60  27.70 
1942 03 31.40  24.80  28.09 
1942 04 28.30  22.70  25.50 
1942 05 25.60  20.70  23.15 
1942 06 23.90  19.60  21.75 
1942 07 23.10  18.50  20.80 
1942 08 25.10  19.70  22.40 
1942 09 26.20  20.80  23.50 
1942 10 28.60  22.20  25.40 
1942 11 28.70  23.70  26.20 
1942 12 28.80  23.90  26.34 
1943 01 29.90  24.30  27.09 
1943 02 28.40  23.80  26.09 
1943 03 28.10  23.20  25.65 
1943 04 29.10  23.60  26.35 
1943 05 24.90  20.29  22.59 
1943 06 22.90  17.20  20.04 
1943 07 23.20  18.40  20.80 
1943 08 25.00  19.40  22.20 
1943 09 26.80  21.20  24.00 
1943 10 28.90  22.90  25.90 
1943 11 29.80  24.10  26.95 
1943 12 33.90  25.70  29.80 
1944 01 31.90  25.30  28.59 
1944 02 29.10  23.50  26.30 
1944 03 28.20  23.10  25.65 
1944 04 26.30  21.70  24.00 
1944 05 25.60  19.29  22.45 
1944 06 22.40  17.90  20.15 
1944 07 22.50  17.40  19.95 
1944 08 23.70  18.29  21.00 
1944 09 24.20  19.29  21.75 
1944 10 28.40  20.70  24.55 
1944 11 29.60  22.90  26.25 
1944 12 29.80  24.40  27.09 
1945 01 29.70  24.60  27.15 
1945 02 29.70  24.80  27.25 
1945 03 28.80  23.40  26.09 
1945 04 28.00  21.60  24.80 
1945 05 24.90  19.70  22.30 
1945 06 24.30  18.79  21.55 
1945 07 21.80  16.90  19.34 
1945 08 24.80  19.10  21.95 
1945 09 26.20  20.29  23.25 
1945 10 27.30  21.60  24.45 
1945 11 30.60  23.50  27.05 
1945 12 34.40  24.20  29.30 
1946 01 30.10  24.60  27.35 
1946 02 29.80  24.60  27.20 
1946 03 30.40  24.20  27.30 
1946 04 30.20  22.80  26.50 
1946 05 26.30  20.50  23.40 
1946 06 23.70  17.00  20.35 
1946 07 23.70  17.29  20.50 
1946 08 25.10  18.70  21.90 
1946 09 25.90  20.00  22.95 
1946 10 26.90  21.40  24.15 
1946 11 28.90  23.50  26.20 
1946 12 30.10  24.60  27.35 
1947 01 31.10  25.50  28.30 
1947 02 28.60  23.60  26.10 
1947 03 28.90  24.00  26.45 
1947 04 28.10  22.60  25.35 
1947 05 25.00  20.29  22.65 
1947 06 23.80  18.70  21.25 
1947 07 24.20  18.00  21.10 
1947 08 24.50  19.00  21.75 
1947 09 25.10  20.10  22.60 
1947 10 26.90  21.50  24.20 
1947 11 30.10  23.70  26.90 
1947 12 30.40  24.40  27.40 
1948 01 29.80  23.80  26.80 
1948 02 29.20  23.90  26.55 
1948 03 30.20  24.70  27.45 
1948 04 28.00  22.40  25.20 
1948 05 25.70  20.40  23.05 
1948 06 23.40  17.79  20.59 
1948 07 22.50  17.70  20.10 
1948 08 23.80  18.10  20.95 
1948 09 26.10  20.00  23.05 
1948 10 28.20  22.40  25.30 
1948 11 29.10  24.20  26.65 
1948 12 29.80  24.60  27.20 
1949 01 29.10  24.60  26.85 
1949 02 30.30  24.70  27.50 
1949 03 28.40  24.20  26.30 
1949 04 25.90  21.50  23.70 
1949 05 24.50  19.40  21.95 
1949 06 22.20  16.90  19.54 
1949 07 22.40  16.70  19.54 
1949 08 22.70  17.70  20.20 
1949 09 24.60  20.00  22.30 
1949 10 28.40  23.10  25.75 
1949 11 30.30  23.90  27.09 
1949 12 29.70  24.80  27.25 
1950 01 29.20  24.20  26.70 
1950 02 29.70  24.60  27.15 
1950 03 28.90  24.20  26.55 
1950 04 26.60  22.10  24.35 
1950 05 25.70  20.20  22.95 
1950 06 22.70  17.29  20.00 
1950 07 22.00  18.70  20.35 
1950 08 22.50  17.79  20.15 
1950 09 23.90  19.70  21.80 
1950 10 28.10  22.30  25.20 
1950 11 28.60  23.40  26.00 
1950 12 27.70  23.30  25.50 
1951 01 28.70  23.90  26.30 
1951 02 29.30  24.30  26.80 
1951 03 29.60  23.90  26.75 
1951 04 29.70  23.20  26.45 
1951 05 25.70  20.40  23.05 
1951 06 24.90  18.20  21.55 
1951 07 22.60  17.20  19.90 
1951 08 24.60  18.29  21.45 
1951 09 24.80  19.20  22.00 
1951 10 28.60  22.30  25.45 
1951 11 29.80  24.20  27.00 
1951 12 31.20  25.10  28.15 
1952 01 29.60  24.50  27.05 
1952 02 30.00  24.20  27.10 
1952 03 29.20  24.20  26.70 
1952 04 28.50  23.10  25.80 
1952 05 26.50  21.00  23.75 
1952 06 24.30  18.79  21.55 
1952 07 22.90  17.90  20.40 
1952 08 25.50  19.20  22.35 
1952 09 99.99  20.90 -99.99 
1952 10 28.20  22.90  25.55 
1952 11 31.20  25.20  28.20 
1952 12 31.90  25.70  28.80 
1953 01 28.90  23.90  26.40 
1953 02 29.30  24.10  26.70 
1953 03 28.40  23.40  25.90 
1953 04 28.60  23.20  25.90 
1953 05 26.90  20.40  23.65 
1953 06 24.40  18.60  21.50 
1953 07 22.80  17.50  20.15 
1953 08 23.60  17.40  20.50 
1953 09 24.40  19.40  21.90 
1953 10 28.90  22.60  25.75 
1953 11 29.70  24.30  27.00 
1953 12 31.30  25.30  28.30 
1954 01 29.90  24.40  27.15 
1954 02 30.20  24.80  27.50 
1954 03 29.60  24.30  26.95 
1954 04 26.60  22.10  24.35 
1954 05 25.10  20.29  22.70 
1954 06 22.40  17.40  19.90 
1954 07 23.40  17.79  20.59 
1954 08 22.60  18.10  20.35 
1954 09 24.60  19.79  22.20 
1954 10 26.70  21.40  24.05 
1954 11 30.70  23.90  27.30 
1954 12 28.20  23.20  25.70 
1955 01 30.20  24.40  27.30 
1955 02 28.40  23.40  25.90 
1955 03 29.00  23.60  26.30 
1955 04 27.30  22.60  24.95 
1955 05 26.10  20.80  23.45 
1955 06 23.20  18.70  20.95 
1955 07 22.60  17.60  20.10 
1955 08 25.10  19.10  22.10 
1955 09 25.50  19.70  22.60 
1955 10 29.20  23.00  26.10 
1955 11 28.60  22.90  25.75 
1955 12 32.09  25.00  28.55 
1956 01 29.40  24.00  26.70 
1956 02 30.60  24.40  27.50 
1956 03 29.60  23.60  26.60 
1956 04 28.30  22.90  25.59 
1956 05 26.50  21.50  24.00 
1956 06 23.20  17.70  20.45 
1956 07 22.60  17.90  20.25 
1956 08 22.70  17.50  20.10 
1956 09 24.40  18.60  21.50 
1956 10 29.20  22.80  26.00 
1956 11 30.20  23.60  26.90 
1956 12 31.40  20.70  26.05 
1957 01 29.44  23.17  26.30 
1957 02 30.99  24.55  27.77 
1957 03 27.90  23.07  25.48 
1957 04 27.62  22.53  25.07 
1957 05 25.34  19.69  22.51 
1957 06 23.60  18.37  20.98 
1957 07 22.33  17.75  20.04 
1957 08 25.27  19.01  22.14 
1957 09 26.68  20.21  23.45 
1957 10 29.02  22.58  25.80 
1957 11 31.72  24.42  28.07 
1957 12 30.85  24.79  27.82 
1958 01 31.01  25.00  28.00 
1958 02 29.42  23.94  26.68 
1958 03 30.94  24.58  27.76 
1958 04 27.78  22.96  25.37 
1958 05 26.64  21.55  24.09 
1958 06 24.05  18.79  21.42 
1958 07 24.68  18.52  21.60 
1958 08 26.21  19.78  22.99 
1958 09 26.26  19.95  23.10 
1958 10 30.38  22.54  26.46 
1958 11 28.98  22.92  25.95 
1958 12 31.64  24.44  28.04 
1959 01 31.20  25.11  28.15 
1959 02 29.98  24.33  27.15 
1959 03 28.78  23.55  26.16 
1959 04 26.83  22.14  24.48 
1959 05 24.01  19.34  21.67 
1959 06 22.48  17.87  20.17 
1959 07 22.48  16.96  19.72 
1959 08 23.33  17.17  20.25 
1959 09 25.71  18.51  22.11 
1959 10 29.12  22.12  25.62 
1959 11 29.78  23.41  26.59 
1959 12 31.87  25.13  28.50 
1960 01 29.88  23.93  26.90 
1960 02 30.50  23.91  27.20 
1960 03 28.46  23.01  25.73 
1960 04 27.78  22.41  25.09 
1960 05 25.49  19.23  22.36 
1960 06 22.78  18.04  20.41 
1960 07 21.64  16.37  19.00 
1960 08 23.56  17.40  20.48 
1960 09 26.77  19.95  23.36 
1960 10 29.05  22.82  25.93 
1960 11 30.80  23.52  27.16 
1960 12 29.85  23.85  26.85 
1961 01 29.53  23.43  26.48 
1961 02 31.33  24.69  28.01 
1961 03 29.69  23.19  26.44 
1961 04 28.06  22.30  25.18 
1961 05 24.63  19.03  21.83 
1961 06 23.92  17.33  20.62 
1961 07 23.21  17.33  20.27 
1961 08 24.30  17.71  21.00 
1961 09 99.99  19.74 -99.99 
1961 10 28.19  21.78  24.98 
1961 11 30.43  23.67  27.05 
1961 12 31.95  24.68  28.31 
1962 01 31.68  25.09  28.38 
1962 02 30.29  24.24  27.26 
1962 03 30.25  23.96  27.10 
1962 04 27.64  21.71  24.67 
1962 05 26.26  20.80  23.53 
1962 06 24.01  18.77  21.39 
1962 07 23.03  17.27  20.15 
1962 08 23.83  18.07  20.95 
1962 09 27.23  20.62  23.92 
1962 10 30.35  23.26  26.80 
1962 11 31.07  24.45  27.76 
1962 12 31.00  24.63  27.81 
1963 01 30.44  23.29  26.86 
1963 02 29.91  23.83  26.87 
1963 03 30.31  24.08  27.19 
1963 04 27.77  21.70  24.73 
1963 05 26.61  20.37  23.49 
1963 06 24.33  17.87  21.10 
1963 07 23.36  16.79  20.08 
1963 08 24.63  18.82  21.72 
1963 09 26.39  20.15  23.27 
1963 10 26.59  20.35  23.47 
1963 11 27.80  23.02  25.41 
1963 12 29.02  24.25  26.63 
1964 01 99.99  24.35 -99.99 
1964 02 29.85  25.19  27.52 
1964 03 29.26  23.98  26.62 
1964 04 29.02  23.46  26.24 
1964 05 27.05  20.23  23.64 
1964 06 24.75  18.49  21.62 
1964 07 24.11  18.46  21.29 
1964 08 25.47  18.23  21.84 
1964 09 26.39  20.71  23.55 
1964 10 27.57  22.66  25.11 
1964 11 28.49  23.45  25.97 
1965 03 28.88  23.23  26.05 
1965 04 28.32  22.48  25.40 
1965 05 25.66  20.72  23.18 
1965 06 23.46  16.67  20.06 
1965 07 22.32  15.37  18.84 
1965 08 24.51  18.66  21.58 
1965 09 26.54  20.01  23.27 
1965 10 28.50  21.97  25.23 
1965 11 30.34  23.42  26.88 
1965 12 30.71  23.37  27.04 
1966 01 30.01  23.91  26.96 
1966 02 31.23  24.87  28.05 
1966 03 31.27  24.14  27.70 
1966 04 30.04  21.92  25.98 
1966 05 25.49  18.16  21.82 
1966 06 23.75  16.74  20.24 
1966 07 23.89  17.23  20.56 
1966 08 23.83  17.50  20.66 
1966 09 27.88  20.83  24.35 
1966 10 28.87  21.49  25.18 
1966 11 29.53  22.78  26.15 
1966 12 30.78  23.04  26.91 
1967 01 32.06  24.94  28.50 
1967 02 30.21  24.17  27.18 
1967 03 28.98  22.95  25.96 
1967 04 27.59  21.10  24.34 
1967 05 25.37  19.25  22.31 
1967 06 23.61  17.36  20.48 
1967 07 22.77  16.12  19.45 
1967 08 24.87  18.31  21.59 
1967 09 26.87  19.96  23.42 
1967 10 28.31  21.87  25.09 
1967 11 30.16  23.71  26.93 
1967 12 31.70  24.17  27.93 
1968 01 30.59  23.97  27.28 
1968 02 28.91  23.27  26.09 
1968 03 29.56  23.31  26.43 
1968 04 29.63  23.19  26.41 
1968 05 26.05  19.82  22.93 
1968 06 24.19  17.78  20.98 
1968 07 22.40  16.42  19.41 
1968 08 25.58  17.95  21.76 
1968 09 26.55  20.18  23.36 
1968 10 29.59  22.42  26.00 
1968 11 31.24  24.00  27.62 
1968 12 31.61  23.55  27.58 
1969 01 31.06  25.11  28.08 
1969 02 31.21  24.80  28.00 
1969 03 29.88  23.57  26.72 
1969 04 28.49  21.98  25.23 
1969 05 26.45  20.94  23.69 
1969 06 23.39  18.23  20.81 
1969 07 23.27  16.79  20.03 
1969 08 24.75  17.65  21.20 
1969 09 27.47  18.85  23.16 
1969 10 28.65  21.30  24.97 
1969 11 31.19 -99.99 -99.99 
1969 12 32.23  25.46  28.84 
1970 01 32.70  25.63  29.16 
1970 02 29.92  23.86  26.89 
1970 03 30.09  24.25  27.17 
1970 04 28.38  22.66  25.52 
1970 05 26.15  20.58  23.36 
1970 06 24.38  17.87  21.13 
1970 07 23.09  15.39  19.24 
1970 08 24.48  17.60  21.04 
1970 09 27.00 -99.99 -99.99 
1970 10 28.14  21.93  25.03 
1970 11 30.68  23.67  27.17 
1970 12 31.26  24.61  27.93 
1971 01 32.38  25.72  29.05 
1971 02 31.23  24.92  28.07 
1971 03 28.13  23.04  25.58 
1971 04 26.58  21.11  23.84 
1971 05 26.72  20.43  23.57 
1971 06 23.47  17.50  20.48 
1971 07 22.02  16.00  19.01 
1971 08 25.20  19.44  22.32 
1971 09 27.51  21.19  24.35 
1971 10 30.97  23.87  27.42 
1971 11 31.89  24.75  28.32 
1972 02 30.16  24.04  27.10 
1972 03 28.84  23.24  26.04 
1972 04 99.99  21.79 -99.99 
1972 05 24.24  19.44  21.84 
1972 06 22.95  17.86  20.40 
1972 07 23.09  17.06  20.07 
1972 08 24.82  18.86  21.84 
1972 09 24.72  19.50  22.11 
1972 10 29.34  22.74  26.04 
1972 11 30.18  24.35  27.26 
1972 12 30.27  24.54  27.40 
1973 01 31.41  25.49  28.45 
1973 02 30.38  25.20  27.79 
1973 03 28.97  24.59  26.78 
1973 04 27.10  22.67  24.88 
1973 05 26.81  22.31  24.56 
1973 06 24.93  20.55  22.74 
1973 07 24.35  19.04  21.69 
1973 08 25.29  19.98  22.63 
1973 09 26.05  20.79  23.42 
1973 10 28.17  22.35  25.26 
1973 11 29.93  24.04  26.98 
1973 12 29.26  24.32  26.79 
1974 01 29.21  24.10  26.65 
1974 02 29.04  24.01  26.52 
1974 03 28.58  23.86  26.22 
1974 04 28.00  22.95  25.47 
1974 05 24.96  20.08  22.52 
1974 06 23.75  17.75  20.75 
1974 07 23.02  17.20  20.11 
1974 08 25.12  19.54  22.33 
1974 09 26.09  20.59  23.34 
1974 10 28.64  22.26  25.45 
1974 11 30.94  24.31  27.62 
1974 12 99.99  25.35 -99.99 
1975 01 99.99  24.41 -99.99 
1975 02 29.36  24.47  26.91 
1975 03 29.87  24.42  27.14 
1975 04 27.61  22.31  24.96 
1975 05 25.84  21.10  23.47 
1975 06 23.25  18.45  20.85 
1975 07 24.02  19.27  21.64 
1975 08 24.65  18.84  21.74 
1975 09 25.81  20.83  23.32 
1975 10 28.10  22.31  25.20 
1975 11 30.30  24.32  27.31 
1975 12 28.94  23.74  26.34 
1976 01 30.80  25.04  27.92 
1976 02 29.38  24.19  26.78 
1976 03 30.45  24.61  27.53 
1976 04 27.19  22.01  24.60 
1976 05 25.24  20.45  22.84 
1976 06 23.70  18.24  20.97 
1976 07 22.66  17.35  20.00 
1976 08 23.67  17.48  20.57 
1976 09 26.93  20.56  23.74 
1976 10 29.27  22.94  26.10 
1976 11 31.47  25.10  28.28 
1976 12 32.25  26.06  29.15 
1977 01 30.59  25.22  27.90 
1977 02 29.81  23.85  26.83 
1977 03 29.70  24.42  27.06 
1977 04 27.14  22.93  25.03 
1977 05 25.43  20.65  23.04 
1977 06 22.99  17.31  20.15 
1977 07 22.15  17.32  19.73 
1977 08 23.15  17.79  20.47 
1977 09 26.05  19.92  22.98 
1977 10 27.23  21.55  24.39 
1977 11 30.32  23.75  27.03 
1977 12 30.35  24.55  27.45 
1978 01 30.88  25.26  28.07 
1978 02 30.91  25.06  27.98 
1978 03 30.46  24.89  27.67 
1978 04 28.34  23.18  25.76 
1978 05 25.01  20.08  22.54 
1978 06 24.36  18.58  21.47 
1978 07 23.20  17.70  20.45 
1978 08 23.89  18.48  21.18 
1978 09 26.81  20.79  23.80 
1978 10 26.91  21.16  24.03 
1978 11 29.35  23.40  26.37 
1978 12 31.05  24.93  27.99 
1979 01 30.37  24.70  27.53 
1979 02 29.53  24.53  27.03 
1979 03 29.00  23.91  26.45 
1979 04 27.64  22.68  25.16 
1979 05 25.61  20.89  23.25 
1979 06 23.43  18.87  21.15 
1979 07 22.48  17.71  20.09 
1979 08 24.59  18.57  21.58 
1979 09 26.35  20.70  23.52 
1979 10 29.07  23.19  26.13 
1979 11 30.04  24.14  27.09 
1979 12 31.35  25.58  28.46 
1980 01 31.98  26.32  29.15 
1980 02 31.41  25.96  28.68 
1980 03 28.60  23.94  26.27 
1980 04 27.70  22.59  25.14 
1980 05 26.34  21.47  23.90 
1980 06 24.62  19.66  22.14 
1980 07 23.80  18.41  21.10 
1980 08 23.17  13.99  18.58 
1980 09 26.89 -99.99 -99.99 
1980 10 28.74  18.39  23.56 
1980 11 29.82  19.76  24.79 
1980 12 29.95 -99.99 -99.99 
1981 01 27.66 -99.99 -99.99 
1981 02 30.84  24.67  27.75 
1981 03 30.38  24.87  27.62 
1981 04 28.96  23.41  26.18 
1981 05 25.54 -99.99 -99.99 
1981 06 23.99  18.32  21.15 
1981 07 23.20  18.70  20.95 
1981 08 25.77  19.87  22.82 
1981 09 25.04  19.95  22.50 
1981 10 26.82  21.68  24.25 
1981 11 30.09  23.90  26.99 
1981 12 32.16  26.37  29.27 
1982 01 32.07  26.35  29.21 
1982 02 30.49  25.05  27.77 
1982 03 30.12  24.66  27.39 
1982 04 27.19  22.75  24.97 
1982 05 25.64  20.57  23.10 
1982 06 22.80  17.00  19.90 
1982 07 22.51  17.11  19.81 
1982 08 22.10  17.61  19.85 
1982 09 25.84  19.94  22.89 
1982 10 27.69  21.63  24.66 
1982 11 28.42  22.95  25.68 
1982 12 31.15  24.85  28.00 
1983 01 30.60  25.21  27.90 
1983 02 30.92  25.10  28.01 
1983 03 30.14  24.90  27.52 
1983 04 28.51  23.64  26.07 
1983 05 26.21  22.02  24.11 
1983 06 23.32  18.43  20.87 
1983 07 22.41  17.16  19.78 
1983 08 23.44  18.51  20.97 
1983 09 27.63  21.81  24.72 
1983 10 29.21  23.66  26.43 
1983 11 30.17  24.37  27.27 
1983 12 29.57  24.41  26.99 
1984 01 30.17  24.77  27.47 
1984 02 28.48  23.84  26.16 
1984 03 29.44  24.20  26.82 
1984 04 27.75  22.50  25.12 
1984 05 25.60  20.94  23.27 
1984 06 23.97  18.67  21.32 
1984 07 22.74  17.53  20.13 
1984 08 25.01  19.16  22.08 
1984 09 27.96  21.64  24.80 
1984 10 27.86  21.99  24.92 
1984 11 29.91  24.14  27.02 
1984 12 32.03  25.86  28.94 
1985 01 31.85  26.07  28.96 
1985 02 29.55  24.62  27.08 
1985 03 28.96  23.86  26.41 
1985 04 27.96  23.17  25.56 
1985 05 25.10  20.41  22.75 
1985 06 22.87  17.25  20.06 
1985 07 22.13  16.60  19.36 
1985 08 24.33  19.24  21.78 
1985 09 26.51  20.23  23.37 
1985 10 27.92  21.90  24.91 
1985 11 29.84  24.30  27.07 
1985 12 32.39  26.12  29.25 
1986 01 30.30  25.36  27.83 
1986 02 31.39  25.79  28.59 
1986 03 29.50  24.06  26.78 
1986 04 27.49  22.41  24.95 
1986 05 26.29  21.40  23.84 
1986 06 24.18  19.04  21.61 
1986 07 24.85  18.96  21.91 
1986 08 24.36  18.61  21.48 
1986 09 27.42  21.20  24.31 
1986 10 30.07  23.24  26.65 
1986 11 30.35  23.92  27.13 
1986 12 31.85  25.27  28.56 
1987 01 33.05  26.29  29.67 
1987 02 30.81 -99.99 -99.99 
1987 03 30.88 -99.99 -99.99 
1987 04 27.88  22.18  25.03 
1987 05 26.13  20.71  23.41 
1987 06 24.04 -99.99 -99.99 
1987 07 23.30 -99.99 -99.99 
1987 08 24.74  19.42  22.08 
1987 09 25.93  20.45  23.19 
1987 10 29.98  23.66  26.82 
1987 11 30.87  24.13  27.50 
