1931 01 27.10  17.29  22.20 
1931 02 24.40  17.50  20.95 
1931 03 25.20  17.40  21.30 
1931 04 25.10  17.29  21.20 
1931 05 25.70  17.29  21.50 
1931 06 25.10  16.70  20.90 
1931 07 25.00 -99.99 -99.99 
1931 08 26.50  15.60  21.05 
1931 09 27.50 -99.99 -99.99 
1931 10 28.80 -99.99 -99.99 
1931 11 29.40 -99.99 -99.99 
1931 12 29.50  17.10  23.30 
1932 01 28.00  14.30  21.15 
1932 02 27.20  17.29  22.25 
1932 03 25.80  17.20  21.50 
1932 04 26.50  17.20  21.85 
1932 05 26.40  16.90  21.65 
1932 06 25.20  16.50  20.85 
1932 07 25.30  15.50  20.40 
1932 08 27.10  15.80  21.45 
1932 09 26.70  16.20  21.45 
1932 10 28.00  16.70  22.35 
1932 11 28.70  17.20  22.95 
1932 12 28.60  17.70  23.15 
1933 01 27.50  18.20  22.85 
1933 02 25.30  17.90  21.59 
1933 03 25.50  18.50  22.00 
1933 04 24.30  18.40  21.34 
1933 05 23.30  18.20  20.75 
1933 06 24.00  17.50  20.75 
1933 07 24.70  16.60  20.65 
1933 08 26.30  16.20  21.25 
1933 09 27.80 -99.99 -99.99 
1933 10 28.40  17.40  22.90 
1933 11 27.60  17.70  22.65 
1933 12 27.70  18.00  22.85 
1934 01 26.20  18.10  22.15 
1934 02 24.90  18.10  21.50 
1934 03 24.00  17.90  20.95 
1934 04 24.20  18.10  21.15 
1934 05 23.30  17.79  20.55 
1934 06 22.30  17.20  19.75 
1934 07 23.70  16.60  20.15 
1934 08 25.50  16.60  21.05 
1934 09 26.20  17.10  21.65 
1934 10 27.60  17.10  22.35 
1934 11 26.60  17.79  22.20 
1934 12 24.90  18.20  21.55 
1935 01 25.40  18.70  22.05 
1935 02 24.10  18.29  21.20 
1935 03 24.50  18.50  21.50 
1935 04 23.40  18.50  20.95 
1935 05 23.00  18.20  20.60 
1935 06 22.10  17.29  19.70 
1935 07 22.20  16.50  19.35 
1935 08 24.30  15.80  20.04 
1935 09 25.10  16.40  20.75 
1935 10 26.20  17.29  21.75 
1935 11 26.20  17.70  21.95 
1935 12 26.60  18.10  22.35 
1936 01 26.60  18.20  22.40 
1936 02 25.30  18.60  21.95 
1936 03 24.80  18.50  21.65 
1936 04 25.90  18.90  22.40 
1936 05 24.20  18.20  21.20 
1936 06 23.00  17.00  20.00 
1936 07 23.30  15.70  19.50 
1936 08 25.90  16.20  21.05 
1936 09 26.60  16.50  21.55 
1936 10 27.40  17.10  22.25 
1936 11 27.00  17.70  22.35 
1936 12 27.20  17.90  22.55 
1937 01 27.50  18.79  23.15 
1937 02 25.00  18.70  21.85 
1937 03 24.80  18.90  21.84 
1937 04 24.30  18.50  21.40 
1937 05 23.60  18.70  21.15 
1937 06 22.20  17.60  19.90 
1937 07 23.50  16.79  20.15 
1937 08 25.10  16.90  21.00 
1937 09 25.70  17.10  21.40 
1937 10 26.00  17.70  21.85 
1937 11 26.60  18.10  22.35 
1937 12 26.70  18.29  22.50 
1938 01 26.20  18.79  22.50 
1938 02 26.40  19.00  22.70 
1938 03 24.00  18.40  21.20 
1938 04 23.80  18.70  21.25 
1938 05 23.40  18.29  20.84 
1938 06 23.00  16.90  19.95 
1938 07 24.20  16.90  20.55 
1938 08 25.30  16.29  20.80 
1938 09 26.30  16.90  21.59 
1938 10 26.90  17.50  22.20 
1938 11 26.30  17.50  21.90 
1938 12 25.80  18.20  22.00 
1939 01 25.70  18.29  22.00 
1939 02 23.50  18.29  20.90 
1939 03 23.70  18.29  21.00 
1939 04 23.80  18.29  21.05 
1939 05 24.10  18.10  21.10 
1939 06 24.50  17.29  20.90 
1939 08 25.00  16.40  20.70 
1939 09 25.00  16.40  20.70 
1939 10 25.90  17.10  21.50 
1939 11 25.60  17.70  21.65 
1939 12 26.60  18.10  22.35 
1940 01 24.80  18.40  21.59 
1940 02 25.20  18.90  22.05 
1940 03 24.20  18.60  21.40 
1940 04 23.40  18.60  21.00 
1940 05 23.10  18.50  20.80 
1940 06 21.80  17.50  19.65 
1940 07 22.00  16.60  19.29 
1940 08 23.80  17.00  20.40 
1940 09 26.00  17.10  21.55 
1940 10 26.90  17.20  22.05 
1940 11 27.60  17.40  22.50 
1940 12 27.50  18.20  22.85 
1941 01 27.40  18.50  22.95 
1941 02 26.10  18.70  22.40 
1941 03 24.90  18.70  21.80 
1941 04 24.20  18.79  21.50 
1941 05 24.10  18.20  21.15 
1941 06 24.90  17.50  21.20 
1941 07 24.80  16.79  20.80 
1941 08 25.90  16.60  21.25 
1941 09 26.90  16.79  21.84 
1941 10 27.90  17.40  22.65 
1941 11 27.30  17.70  22.50 
1941 12 27.80  18.10  22.95 
1942 01 29.10  18.70  23.90 
1942 02 26.20  18.60  22.40 
1942 03 26.00  18.70  22.35 
1942 04 25.20  18.70  21.95 
1942 05 25.00  18.20  21.60 
1942 06 25.00  17.00  21.00 
1942 07 25.10  17.29  21.20 
1942 08 26.00  16.10  21.05 
1942 09 28.70  16.90  22.80 
1942 10 28.30  17.40  22.84 
1942 11 28.60  17.60  23.10 
1942 12 27.70  17.79  22.75 
1943 01 27.80  18.10  22.95 
1943 02 25.60  18.10  21.85 
1943 03 24.90  18.20  21.55 
1943 04 24.30  18.00  21.15 
1943 05 24.20  17.29  20.75 
1943 06 24.90  16.90  20.90 
1943 07 24.40  16.00  20.20 
1943 08 26.10  15.90  21.00 
1943 09 27.30  16.10  21.70 
1943 10 28.80  17.00  22.90 
1943 11 27.60  17.20  22.40 
1943 12 27.90  17.50  22.70 
1944 01 26.30  17.50  21.90 
1944 02 28.00  18.00  23.00 
1944 03 26.20  18.20  22.20 
1944 04 24.60  18.20  21.40 
1944 05 23.50  17.90  20.70 
1944 06 23.80  17.00  20.40 
1944 07 24.60  16.20  20.40 
1944 08 99.99  15.90 -99.99 
1944 09 99.99  16.29 -99.99 
1944 10 99.99  16.90 -99.99 
1944 11 99.99  17.60 -99.99 
1944 12 99.99  18.20 -99.99 
1945 01 99.99  18.29 -99.99 
1945 02 99.99  18.00 -99.99 
1945 03 99.99  18.70 -99.99 
1945 04 25.00  18.50  21.75 
1945 05 23.70  17.79  20.75 
1945 06 22.10  17.20  19.65 
1945 07 22.60  16.20  19.40 
1945 08 25.30  16.00  20.65 
1945 09 27.00  16.10  21.55 
1945 10 28.30  16.90  22.59 
1945 11 29.00  17.60  23.30 
1945 12 28.60  18.00  23.30 
1946 01 25.40  17.90  21.65 
1946 02 25.10  18.20  21.65 
1946 03 25.20  18.00  21.60 
1946 04 24.50  18.20  21.35 
1946 05 24.30  18.00  21.15 
1946 06 24.30  16.90  20.59 
1946 07 25.70  16.20  20.95 
1946 08 26.30  15.50  20.90 
1946 09 27.40  16.10  21.75 
1946 10 28.50  16.70  22.60 
1946 11 29.30  17.50  23.40 
1946 12 28.10  17.60  22.85 
1947 01 27.80  18.10  22.95 
1947 02 26.20  18.10  22.15 
1947 03 25.50  18.29  21.90 
1947 04 24.70  18.10  21.40 
1947 05 23.70  17.90  20.80 
1947 06 23.20  17.00  20.10 
1947 07 24.10  15.90  20.00 
1947 08 26.40  15.90  21.15 
1947 09 27.80  16.60  22.20 
1947 10 28.60  17.00  22.80 
1947 11 29.10  17.70  23.40 
1947 12 27.10  18.00  22.55 
1948 01 27.60  17.90  22.75 
1948 02 27.80  18.40  23.09 
1948 03 25.60  18.20  21.90 
1948 04 24.90  17.90  21.40 
1948 05 23.40  17.60  20.50 
1948 06 22.60  16.70  19.65 
1948 07 23.10  16.40  19.75 
1948 08 25.20  15.70  20.45 
1948 09 27.20  16.29  21.75 
1948 10 28.20  16.60  22.40 
1948 11 28.70  17.29  23.00 
1948 12 28.70  18.20  23.45 
1949 01 29.00  18.10  23.55 
1949 02 27.00  18.10  22.55 
1949 03 25.30  18.10  21.70 
1949 04 24.70  17.79  21.25 
1949 05 23.40  17.90  20.65 
1949 06 23.00  16.90  19.95 
1949 07 24.00  16.29  20.15 
1949 08 25.50  16.10  20.80 
1949 09 27.50  16.50  22.00 
1949 10 29.20  17.10  23.15 
1949 11 29.20  17.70  23.45 
1949 12 28.50  17.79  23.15 
1950 01 28.80  18.00  23.40 
1950 02 27.40  18.40  22.90 
1950 03 25.20  17.90  21.55 
1950 04 23.80  17.60  20.70 
1950 05 22.70  17.50  20.10 
1950 06 22.50  16.29  19.40 
1950 07 23.70  16.00  19.85 
1950 08 25.80  15.50  20.65 
1950 09 27.00  16.10  21.55 
1950 10 27.80  16.70  22.25 
1950 11 28.30  17.20  22.75 
1950 12 27.10  17.29  22.20 
1951 01 27.10  17.40  22.25 
1951 02 27.80  17.70  22.75 
1951 03 27.80  18.20  23.00 
1951 04 25.00  17.40  21.20 
1951 05 24.20  17.90  21.05 
1951 06 21.40  16.40  18.90 
1951 07 22.70  15.60  19.15 
1951 08 25.60  15.70  20.65 
1951 09 27.10  15.90  21.50 
1951 10 27.60  16.70  22.15 
1951 11 27.20  17.00  22.10 
1951 12 27.20  17.79  22.50 
1952 01 26.80  18.00  22.40 
1952 02 26.60  18.50  22.55 
1952 03 25.40  18.10  21.75 
1952 04 24.30  17.90  21.09 
1952 05 23.10  17.70  20.40 
1952 06 23.80  16.79  20.29 
1952 07 24.90  16.29  20.59 
1952 08 26.30  15.90  21.09 
1952 09 27.50  16.20  21.85 
1952 10 28.10  16.60  22.35 
1952 11 28.40  17.20  22.80 
1952 12 28.20  18.00  23.10 
1953 01 28.00  17.90  22.95 
1953 02 28.20  18.29  23.25 
1953 03 25.80  18.29  22.05 
1953 04 24.80  18.29  21.55 
1953 05 23.80  17.90  20.84 
1953 06 22.70  16.60  19.65 
1953 07 24.00  16.29  20.15 
1953 08 25.60  15.80  20.70 
1953 09 26.60  16.50  21.55 
1953 10 27.80  17.00  22.40 
1953 11 28.00  17.60  22.80 
1953 12 28.00  17.79  22.90 
1954 01 27.50  17.60  22.55 
1954 02 25.90  18.00  21.95 
1954 03 24.20  18.10  21.15 
1954 04 24.60  18.00  21.30 
1954 05 23.10  17.50  20.29 
1954 06 22.50  16.50  19.50 
1954 07 24.00  16.00  20.00 
1954 08 25.50  15.20  20.35 
1954 09 27.00  15.90  21.45 
1954 10 27.80  16.20  22.00 
1954 11 27.60  17.00  22.30 
1954 12 28.10  17.40  22.75 
1955 01 27.00  17.79  22.40 
1955 02 25.00  17.79  21.40 
1955 03 24.30  17.70  21.00 
1955 04 23.60  17.60  20.60 
1955 05 22.70  17.40  20.04 
1955 06 22.70  16.70  19.70 
1955 09 27.20  16.00  21.60 
1955 10 27.10  16.90  22.00 
1955 11 27.60  17.29  22.45 
1955 12 26.10  17.50  21.80 
1956 01 26.40  17.40  21.90 
1956 02 24.60  17.90  21.25 
1956 03 24.60  17.70  21.15 
1956 04 23.60  17.29  20.45 
1956 05 23.50  17.50  20.50 
1956 06 23.60  16.79  20.20 
1956 07 23.50  16.10  19.79 
1956 08 24.60  15.80  20.20 
1956 09 26.30  15.80  21.05 
1956 10 27.20  16.50  21.85 
1956 11 27.70  17.00  22.35 
1956 12 27.30  17.29  22.30 
1957 01 25.60  17.79  21.70 
1957 02 26.50  17.79  22.15 
1957 03 23.50  17.10  20.29 
1957 04 23.30  17.60  20.45 
1957 05 23.00  17.60  20.29 
1957 06 23.00  16.50  19.75 
1957 07 24.00  16.00  20.00 
1957 08 25.60  15.80  20.70 
1957 09 26.60  16.50  21.55 
1957 10 27.40  16.60  22.00 
1957 11 28.40  17.20  22.80 
1957 12 27.70  17.29  22.50 
1958 01 27.70  17.90  22.80 
1958 02 27.90  18.50  23.20 
1958 03 27.50  18.60  23.05 
1958 04 27.20  18.50  22.85 
1958 05 25.20  17.79  21.50 
1958 06 24.70  16.70  20.70 
1958 07 24.10  16.29  20.20 
1958 08 25.80  15.60  20.70 
1958 09 27.40  16.00  21.70 
1958 10 27.80  16.40  22.09 
1958 11 28.10  16.90  22.50 
1958 12 27.70  17.50  22.60 
1959 01 26.00  17.70  21.85 
1959 02 25.10  17.60  21.35 
1959 03 24.00  18.00  21.00 
1959 04 23.20  17.79  20.50 
1959 05 23.50  17.40  20.45 
1959 06 23.20  17.00  20.10 
1959 07 23.90  15.80  19.85 
1959 08 26.00  16.10  21.05 
1959 09 27.70  16.20  21.95 
1959 10 28.80  16.90  22.84 
1959 11 29.10  17.10  23.10 
1959 12 29.60  17.20  23.40 
1960 01 28.90  17.90  23.40 
1960 02 28.30  18.00  23.15 
1960 03 25.50  17.40  21.45 
1960 04 24.40  17.70  21.05 
1960 05 24.10  17.20  20.65 
1960 06 23.20  16.70  19.95 
1960 07 24.60  15.90  20.25 
1960 08 26.00  15.70  20.85 
1960 09 27.30  15.90  21.59 
1960 10 28.50  16.60  22.55 
1960 11 29.00  17.10  23.05 
1960 12 28.20  17.50  22.85 
1961 01 27.54  17.85  22.69 
1961 02 24.22  17.24  20.73 
1961 03 25.09  17.84  21.46 
1961 04 24.37  17.56  20.96 
1961 05 23.86  17.53  20.69 
1961 06 22.98  16.52  19.75 
1961 07 23.56  15.68  19.61 
1961 08 25.83  15.40  20.61 
1961 09 27.29  15.97  21.63 
1961 10 28.17  16.35  22.26 
1961 11 28.72  16.81  22.76 
1961 12 27.21  17.08  22.14 
1962 01 27.41  17.67  22.54 
1962 02 25.96  18.18  22.07 
1962 03 24.86  17.48  21.17 
1962 04 24.26  17.52  20.89 
1962 05 23.79  17.35  20.57 
1962 06 23.70  16.53  20.11 
1962 07 24.25  16.11  20.18 
1962 08 25.75  15.63  20.69 
1962 09 27.16  15.72  21.44 
1962 10 28.63  16.54  22.59 
1962 11 27.72  16.99  22.35 
1962 12 27.69  17.54  22.61 
1963 01 26.40  17.15  21.77 
1963 02 25.35  17.51  21.43 
1963 03 24.05  17.29  20.67 
1963 04 25.03  17.36  21.19 
1963 05 23.82  16.70  20.26 
1963 06 24.03  16.41  20.22 
1963 07 24.66  15.68  20.17 
1963 08 26.41  15.56  20.98 
1963 09 28.25  15.85  22.05 
1963 10 29.15  16.75  22.95 
1963 11 28.94  17.27  23.10 
1963 12 26.38  17.91  22.14 
1964 01 25.61  18.14  21.87 
1964 02 25.12  17.95  21.53 
1964 03 25.33  18.02  21.67 
1964 04 24.93  17.51  21.22 
1964 05 24.69  17.44  21.06 
1964 06 23.64  16.78  20.20 
1964 07 23.97  16.23  20.09 
1964 08 25.34  15.82  20.58 
1964 09 26.21  15.58  20.89 
1964 10 26.80  16.04  21.42 
1964 11 27.72  16.73  22.22 
1964 12 27.85  16.96  22.41 
1965 01 26.45  17.23  21.84 
1965 02 27.06  17.52  22.29 
1965 03 26.15  17.81  21.98 
1965 04 24.87  17.20  21.04 
1965 05 24.18  17.43  20.80 
1965 06 23.41  16.67  20.04 
1965 07 24.07  15.92  19.99 
1965 08 26.46  15.88  21.17 
1965 10 27.44  16.86  22.15 
1965 11 28.14  17.11  22.62 
1965 12 99.99  17.17 -99.99 
1966 01 99.99  18.10 -99.99 
1966 02 99.99  17.93 -99.99 
1966 03 99.99  17.86 -99.99 
1966 04 99.99  17.83 -99.99 
1966 05 99.99  17.81 -99.99 
1966 06 99.99  16.76 -99.99 
1966 07 99.99  16.17 -99.99 
1966 08 99.99  15.68 -99.99 
1966 09 99.99  16.29 -99.99 
1966 10 27.85  16.92  22.38 
1966 11 27.42  17.31  22.36 
1966 12 27.59  17.87  22.73 
1967 01 27.57  18.02  22.79 
1967 02 24.98  17.41  21.19 
1967 03 24.58  17.33  20.95 
1967 05 24.17  17.54  20.85 
1967 06 23.02  16.59  19.80 
1967 07 24.06  15.68  19.86 
1967 08 25.56  15.59  20.57 
1967 09 26.81  15.93  21.37 
1967 10 27.93  16.12  22.03 
1967 11 27.49  16.56  22.02 
1967 12 27.38  16.89  22.13 
1968 01 26.51  17.32  21.91 
1968 02 26.95  17.59  22.27 
1968 03 24.81  17.00  20.90 
1968 04 24.98  17.37  21.17 
1968 05 23.78  16.96  20.37 
1968 06 23.60  16.42  20.01 
1968 07 24.63  15.60  20.11 
1968 08 26.50  15.94  21.22 
1968 09 28.15  16.06  22.10 
1968 10 28.60  16.83  22.71 
1968 11 28.49  17.60  23.04 
1968 12 27.53  17.75  22.64 
1969 01 27.04  18.08  22.56 
1969 02 27.16  18.51  22.83 
1969 03 26.65  18.44  22.54 
1969 04 25.56  18.40  21.98 
1969 05 24.84  18.25  21.54 
1969 06 24.12  17.42  20.77 
1969 07 24.30  16.54  20.42 
1969 08 25.10  15.99  20.54 
1969 09 27.17  16.26  21.71 
1969 10 27.80  16.86  22.33 
1969 11 27.92  17.17  22.54 
1969 12 28.07  17.79  22.93 
1970 01 27.32  17.90  22.61 
1970 02 27.61  17.89  22.75 
1970 03 25.18  17.79  21.48 
1970 04 25.47  17.99  21.73 
1970 05 26.04  17.52  21.78 
1970 06 25.65  16.86  21.25 
1970 07 26.77  15.46  21.11 
1970 08 26.85  15.48  21.16 
1970 09 28.09  16.82  22.45 
1970 10 28.97  17.41  23.18 
1970 11 27.80  17.62  22.71 
1970 12 28.25  17.83  23.04 
1973 01 24.69  17.79  21.24 
1973 02 24.46  15.88  20.17 
1973 03 23.52  16.90  20.20 
1973 04 23.03  15.82  19.42 
1973 05 23.11  17.12  20.11 
1973 06 22.59  15.69  19.14 
1973 07 22.29  16.87  19.58 
1973 08 24.33 -99.99 -99.99 
1973 09 25.49 -99.99 -99.99 
1973 10 26.37  17.32  21.84 
1973 11 25.95 -99.99 -99.99 
1973 12 25.55 -99.99 -99.99 
1974 01 24.74 -99.99 -99.99 
1974 02 23.39 -99.99 -99.99 
1974 06 99.99  17.93 -99.99 
1974 10 25.30 -99.99 -99.99 
1974 11 25.26 -99.99 -99.99 
1974 12 24.72 -99.99 -99.99 
1975 01 24.78 -99.99 -99.99 
1975 02 23.99 -99.99 -99.99 
1975 03 23.64 -99.99 -99.99 
1975 04 23.74 -99.99 -99.99 
1975 05 22.98 -99.99 -99.99 
1975 06 22.14 -99.99 -99.99 
1975 07 21.76 -99.99 -99.99 
1975 08 23.12  16.87  19.99 
1975 09 24.79  17.18  20.98 
1975 10 25.17  17.98  21.57 
1975 11 25.85  18.29  22.07 
1975 12 24.36  18.20  21.28 
1976 01 24.45  18.29  21.37 
1976 02 23.62  18.56  21.09 
1976 03 23.04  18.59  20.81 
1976 04 22.88  18.69  20.78 
1976 05 23.43  18.37  20.90 
1976 06 23.27  17.27  20.27 
1976 07 24.11  16.75  20.43 
1976 08 24.51  16.66  20.58 
1976 09 25.04  17.09  21.06 
1976 10 24.78  17.54  21.16 
1976 11 25.04  17.74  21.39 
1976 12 26.20  17.76  21.98 
1977 01 23.68  18.45  21.07 
1977 02 23.37  18.54  20.95 
1977 03 23.48  19.06  21.27 
1977 04 24.13  18.86  21.49 
1977 05 23.21  18.81  21.00 
1977 06 22.04  18.23  20.13 
1977 07 21.68  17.04  19.36 
1977 08 23.70  16.85  20.27 
1977 09 25.32  17.25  21.28 
1977 10 25.79  17.43  21.61 
1977 11 26.12  18.12  22.12 
1977 12 26.00  17.66  21.83 
1978 01 26.33  18.75  22.54 
1978 02 25.29  18.87  22.08 
1978 03 23.77  18.79  21.28 
1978 04 23.65  19.00  21.32 
1978 05 23.10  18.64  20.87 
1978 06 22.06  17.62  19.84 
1978 07 22.48  17.62  20.05 
1978 08 23.89  16.95  20.42 
1978 09 24.96  17.11  21.03 
1978 10 25.41  17.58  21.49 
1978 11 25.17  17.83  21.50 
1978 12 24.91  18.17  21.54 
1979 01 25.64  18.68  22.16 
1979 02 25.83  18.73  22.28 
1979 03 24.42  19.15  21.78 
1979 04 24.64  19.10  21.87 
1979 05 23.68  18.49  21.08 
1979 06 23.29  17.33  20.31 
1979 07 24.75  17.15  20.95 
1979 08 25.57  17.23  21.40 
1979 09 25.81  17.92  21.86 
1979 10 26.58  18.12  22.35 
1979 11 26.08  18.43  22.25 
1980 01 25.75  19.32  22.53 
1980 02 24.52  19.04  21.78 
1980 04 24.27  19.34  21.80 
1980 05 24.43  18.89  21.66 
1980 06 23.94  18.45  21.20 
1980 07 24.91  17.54  21.23 
1980 08 26.09  17.34  21.71 
1980 09 26.09  18.00  22.04 
1980 10 26.35  17.99  22.17 
1981 01 25.20  19.07  22.13 
1981 02 25.87  18.87  22.37 
1981 03 24.90  18.99  21.94 
1981 04 24.29  18.71  21.50 
1981 06 24.26  17.75  21.00 
1981 07 25.10  17.11  21.10 
1981 08 25.88  17.01  21.44 
1981 09 26.54  17.15  21.84 
1981 10 27.19  18.12  22.66 
1981 11 26.83  18.68  22.75 
1981 12 26.02  19.06  22.54 
1982 01 25.30  19.04  22.17 
1982 02 24.84  18.87  21.85 
1982 03 24.08  19.33  21.70 
1982 04 24.14  19.37  21.75 
1982 05 23.02  18.59  20.80 
1982 06 23.08  17.76  20.42 
1982 07 23.82  17.50  20.66 
1982 08 24.92  17.19  21.05 
1982 09 25.54  17.49  21.51 
1982 10 26.51  17.62  22.07 
1982 11 26.31  18.15  22.23 
1982 12 26.26  18.65  22.45 
1983 01 26.67  19.37  23.02 
1983 02 25.37  19.40  22.38 
1983 03 99.99  19.60 -99.99 
1983 04 99.99  19.46 -99.99 
1983 05 99.99  19.29 -99.99 
1983 06 99.99  18.37 -99.99 
1983 07 99.99  17.62 -99.99 
1983 08 99.99  17.45 -99.99 
1983 09 99.99  17.86 -99.99 
1983 10 99.99  17.83 -99.99 
1983 11 99.99  18.20 -99.99 
1983 12 27.25  18.75  23.00 
1984 01 26.12  19.07  22.59 
1984 02 26.30  19.19  22.74 
1984 03 24.45  19.12  21.79 
1984 04 24.15  19.16  21.65 
1984 05 22.99  18.77  20.88 
1984 06 22.56  17.93  20.24 
1984 07 22.81  17.20  20.00 
1984 08 24.16  17.28  20.72 
1984 09 25.30  17.61  21.45 
1984 10 25.96  18.08  22.02 
1984 11 26.49  18.35  22.42 
1984 12 26.50  18.91  22.70 
1993 11 28.23  18.62  23.43 
1994 01 26.34  19.21  22.78 
1994 02 25.30  19.01  22.15 
1994 03 24.76  19.23  21.99 
1994 04 24.23  19.19  21.71 
1994 05 24.04  19.08  21.56 
1994 06 23.13  18.46  20.80 
1994 07 22.79  17.09  19.94 
1994 08 25.33  17.46  21.40 
1994 09 26.61  17.35  21.98 
1994 11 26.99  18.27  22.63 
1994 12 26.71  18.77  22.74 
1995 01 25.62  19.04  22.33 
1995 02 25.16  19.07  22.11 
1995 03 25.69  19.17  22.43 
1995 05 24.28  18.95  21.61 
1995 06 23.12  18.45  20.78 
1995 07 22.64  17.37  20.00 
1995 08 25.28  17.04  21.16 
1995 09 26.75  17.23  21.99 
1995 10 26.90  17.92  22.41 
1995 11 26.51  18.37  22.44 
1995 12 27.81  18.95  23.38 
1996 01 25.70  18.90  22.30 
1996 02 25.51  18.99  22.25 
1996 03 24.86  19.01  21.93 
1996 04 24.63  18.93  21.78 
1996 05 24.80  19.03  21.91 
1996 06 24.14  18.16  21.15 
1996 07 24.64  17.57  21.10 
1996 08 25.48  17.65  21.56 
1996 09 26.77  17.79  22.28 
1996 10 26.39  18.19  22.29 
1996 11 26.32  18.53  22.42 
1996 12 27.25  19.07  23.16 
1997 01 26.95  19.20  23.08 
1997 02 25.89  18.90  22.39 
1997 03 25.63  19.01  22.32 
1997 04 24.08  18.87  21.47 
1997 05 22.84  18.48  20.66 
1997 06 24.35  17.69  21.02 
1997 07 25.05  17.14  21.09 
1997 08 25.76  17.10  21.43 
1997 09 27.03  17.41  22.22 
1997 10 27.26  18.04  22.65 
1997 11 27.55  18.35  22.95 
1997 12 27.50  18.98  23.24 
1998 01 25.33  19.54  22.43 
1998 02 25.83  19.94  22.88 
1998 03 26.15  19.86  23.00 
1998 04 26.21  20.11  23.16 
1998 05 26.15  19.28  22.71 
1998 06 25.98  18.45  22.21 
1998 07 25.72  17.71  21.72 
1998 08 26.28 -99.99 -99.99 
1998 09 27.48  18.19  22.83 
1998 10 27.50  18.53  23.01 
1998 11 27.38  19.11  23.24 
1998 12 27.38  19.17  23.27 
1999 01 26.12  19.17  22.64 
1999 02 25.65  19.09  22.37 
1999 03 24.37  19.04  21.71 
1999 04 24.05  19.16  21.60 
1999 05 23.33  18.70  21.01 
1999 06 23.75  18.37  21.06 
1999 07 25.00  17.96  21.48 
1999 08 26.46  17.43  21.94 
1999 09 26.79  17.75  22.27 
1999 10 27.16  18.23  22.69 
1999 11 27.05  18.87  22.96 
1999 12 25.94  19.02  22.48 
2000 01 24.78  18.75  21.76 
2000 02 24.97  18.52  21.74 
2000 03 24.10  19.32  21.71 
2000 04 24.11  19.00  21.55 
2000 06 23.07  18.28  20.67 
2000 07 23.25  17.83  20.54 
2000 08 23.39  17.37  20.38 
2000 09 24.71  17.87  21.29 
2001 03 25.21  19.27  22.24 
2001 04 23.33  19.04  21.18 
2001 10 27.17  18.23  22.70 
2001 11 26.69  18.71  22.70 
2001 12 25.90  19.26  22.58 
2002 01 24.51  18.67  21.59 
2002 02 25.09  18.86  21.97 
2002 03 24.54  18.82  21.68 
2002 04 23.61  18.81  21.21 
2002 05 23.74  18.79  21.27 
2002 06 22.56  17.66  20.11 
2002 07 23.41  17.29  20.35 
2002 08 25.75  16.83  21.29 
2002 09 26.21  17.04  21.63 
2002 10 26.85  17.50  22.17 
2002 11 26.56  17.85  22.20 
2002 12 26.43  18.87  22.65 
2003 01 26.41  18.56  22.48 
2003 02 24.19  18.62  21.40 
2003 03 24.15  18.51  21.33 
2003 04 24.11  18.90  21.50 
2003 05 23.54  18.53  21.03 
2003 06 23.30  17.59  20.44 
2003 07 24.29  16.62  20.45 
2003 08 25.54  17.02  21.28 
2003 09 26.81  17.33  22.07 
2003 10 27.54  17.64  22.59 
2003 11 27.31  18.19  22.75 
2003 12 26.95  18.76  22.85 
2004 01 25.30  18.82  22.06 
2004 02 24.39  18.26  21.32 
2004 03 24.55  18.79  21.67 
2004 04 24.50  19.49  21.99 
2004 05 24.48  18.52  21.50 
2004 06 22.52  17.52  20.02 
2004 07 23.32  16.89  20.10 
2004 08 25.28  17.37  21.33 
2004 09 26.73  17.45  22.09 
2004 10 26.69  17.91  22.30 
2004 11 27.39  18.45  22.92 
2004 12 27.30  18.66  22.98 
2005 01 27.48  19.21  23.34 
2005 02 27.09  19.34  23.21 
2005 03 26.90  19.62  23.26 
2005 04 24.81  19.33  22.07 
2005 05 23.66  18.44  21.05 
2005 06 22.43  18.04  20.23 
2005 07 24.01  17.48  20.74 
2005 08 25.74  17.37  21.56 
2005 09 26.65  17.53  22.09 
2005 10 27.53  18.20  22.86 
2005 11 27.67  18.83  23.25 
2005 12 27.26  19.10  23.18 
2006 01 27.36  18.89  23.12 
2006 02 26.11  19.09  22.60 
2006 03 24.53  19.31  21.92 
2006 04 24.21  18.75  21.48 
2006 05 23.81  18.54  21.17 
2006 06 22.39  17.84  20.11 
2006 07 23.36  17.36  20.36 
2006 08 24.90  17.44  21.17 
2006 09 26.37  17.39  21.88 
2006 10 27.25  18.29  22.77 
2006 11 26.75  18.65  22.70 
2006 12 26.68  18.70  22.69 
2007 01 26.66  19.42  23.04 
2007 02 25.27  19.44  22.35 
2007 03 24.39  19.20  21.79 
2007 04 24.61  19.37  21.99 
2007 05 24.08  18.95  21.52 
2007 06 23.31  18.12  20.71 
2007 07 24.68  17.81  21.24 
2007 08 25.68  17.18  21.43 
2007 09 27.02  17.23  22.12 
2007 10 27.65  17.73  22.68 
2007 11 27.47  18.45  22.96 
2007 12 26.68  18.70  22.69 
2008 01 25.55  19.06  22.30 
2008 02 26.59  19.28  22.93 
2008 03 24.85  18.85  21.85 
2008 04 24.23  18.95  21.59 
2008 05 23.97  18.77  21.37 
2008 06 22.93  18.04  20.49 
2008 07 23.57  17.43  20.50 
2008 08 25.22  17.57  21.39 
2008 09 27.06  17.76  22.41 
2008 10 27.63  18.20  22.91 
2008 11 27.41  18.79  23.10 
2008 12 27.68  18.95  23.32 
2009 01 26.66  19.04  22.85 
2009 02 24.87  19.12  21.99 
2009 03 24.32  19.10  21.71 
2009 04 24.62  19.06  21.84 
2009 05 24.19  18.93  21.56 
2009 06 23.72  18.40  21.06 
2009 07 23.15  17.68  20.41 
2009 08 24.76  17.52  21.14 
2009 09 25.98  18.04  22.01 
2009 10 26.70  18.12  22.41 
2009 11 26.57  18.48  22.52 
2009 12 26.17  19.29  22.73 
2010 01 26.33  19.20  22.76 
2010 02 26.63  19.81  23.22 
2010 03 27.34  19.98  23.66 
2010 04 25.44  19.90  22.67 
2010 05 25.61  19.66  22.63 
2010 06 25.49  18.56  22.02 
2010 07 26.20  18.12  22.16 
2010 08 27.06  17.37  22.21 
2010 09 27.74  17.11  22.42 
2010 10 28.40  18.50  23.45 
2010 11 28.30  18.68  23.49 
2010 12 26.32  18.76  22.54 
2011 01 24.39  18.45  21.42 
2011 02 24.12  18.98  21.55 
2011 03 24.67  18.78  21.72 
2011 04 24.06  19.11  21.58 
2011 05 23.75  19.07  21.41 
2011 06 23.37  18.12  20.74 
2011 07 23.26  17.42  20.34 
2011 08 24.97  17.25  21.11 
2011 09 27.05  17.23  22.14 
2011 10 26.32  18.01  22.16 
2011 11 25.91  18.44  22.17 
2011 12 26.60  18.66  22.63 
2012 01 26.13  18.62  22.37 
2012 02 25.27  18.39  21.83 
2012 03 24.47  18.51  21.49 
