1921 01 99.99 -99.99  26.70 
1921 02 99.99 -99.99  26.30 
1921 03 99.99 -99.99  26.50 
1921 04 99.99 -99.99  27.10 
1921 05 99.99 -99.99  26.90 
1921 06 99.99 -99.99  26.90 
1921 07 99.99 -99.99  26.10 
1921 08 99.99 -99.99  26.10 
1921 09 99.99 -99.99  26.60 
1921 10 99.99 -99.99  27.00 
1921 11 99.99 -99.99  26.40 
1921 12 99.99 -99.99  26.60 
1922 01 99.99 -99.99  27.10 
1922 02 99.99 -99.99  26.40 
1922 03 99.99 -99.99  26.90 
1922 04 99.99 -99.99  27.30 
1922 05 99.99 -99.99  26.50 
1922 06 99.99 -99.99  25.70 
1922 07 99.99 -99.99  25.00 
1922 08 99.99 -99.99  25.20 
1922 09 99.99 -99.99  25.60 
1922 10 99.99 -99.99  26.70 
1922 11 99.99 -99.99  26.50 
1922 12 99.99 -99.99  26.10 
1923 01 99.99 -99.99  26.10 
1923 02 99.99 -99.99  27.00 
1923 03 99.99 -99.99  26.70 
1923 04 99.99 -99.99  27.10 
1923 05 99.99 -99.99  26.50 
1923 06 99.99 -99.99  25.00 
1923 07 99.99 -99.99  25.20 
1923 08 99.99 -99.99  25.10 
1923 09 99.99 -99.99  25.20 
1923 10 99.99 -99.99  26.10 
1923 11 99.99 -99.99  27.10 
1923 12 99.99 -99.99  27.20 
1924 01 99.99 -99.99  26.50 
1924 02 99.99 -99.99  27.00 
1924 03 99.99 -99.99  27.00 
1924 04 99.99 -99.99  26.40 
1924 05 99.99 -99.99  26.90 
1924 06 99.99 -99.99  26.10 
1924 07 99.99 -99.99  25.50 
1924 08 99.99 -99.99  25.30 
1924 09 99.99 -99.99  26.00 
1924 10 99.99 -99.99  25.90 
1924 11 99.99 -99.99  26.10 
1924 12 99.99 -99.99  26.10 
1925 01 99.99 -99.99  25.70 
1925 02 99.99 -99.99  25.70 
1925 03 99.99 -99.99  26.40 
1925 04 99.99 -99.99  26.80 
1925 05 99.99 -99.99  26.90 
1925 06 99.99 -99.99  26.10 
1925 07 99.99 -99.99  25.10 
1925 08 99.99 -99.99  25.50 
1925 09 99.99 -99.99  25.40 
1925 10 99.99 -99.99  26.40 
1925 11 99.99 -99.99  27.40 
1925 12 99.99 -99.99  27.40 
1926 01 99.99 -99.99  27.50 
1926 02 99.99 -99.99  27.70 
1926 03 99.99 -99.99  26.90 
1926 04 99.99 -99.99  27.50 
1926 05 99.99 -99.99  26.70 
1926 06 99.99 -99.99  25.90 
1926 07 99.99 -99.99  25.80 
1926 08 99.99 -99.99  25.70 
1926 09 99.99 -99.99  26.30 
1926 10 99.99 -99.99  26.90 
1926 11 99.99 -99.99  27.90 
1926 12 99.99 -99.99  26.60 
1927 01 99.99 -99.99  26.50 
1927 02 99.99 -99.99  26.50 
1927 03 99.99 -99.99  26.60 
1927 04 99.99 -99.99  26.90 
1927 05 99.99 -99.99  26.30 
1927 06 99.99 -99.99  25.90 
1927 07 99.99 -99.99  25.60 
1927 08 99.99 -99.99  25.70 
1927 09 99.99 -99.99  26.60 
1927 10 99.99 -99.99  26.70 
1927 11 99.99 -99.99  27.10 
1927 12 99.99 -99.99  26.50 
1928 01 99.99 -99.99  27.30 
1928 02 99.99 -99.99  26.70 
1928 03 99.99 -99.99  27.10 
1928 04 99.99 -99.99  26.90 
1928 05 99.99 -99.99  27.30 
1928 06 99.99 -99.99  26.90 
1928 07 99.99 -99.99  25.50 
1928 08 99.99 -99.99  26.20 
1928 09 99.99 -99.99  26.50 
1928 10 99.99 -99.99  26.50 
1928 11 99.99 -99.99  27.50 
1928 12 99.99 -99.99  26.70 
1929 01 99.99 -99.99  26.90 
1929 02 99.99 -99.99  27.10 
1929 03 99.99 -99.99  26.70 
1929 04 99.99 -99.99  27.30 
1929 05 99.99 -99.99  27.70 
1929 06 99.99 -99.99  25.80 
1929 07 99.99 -99.99  24.70 
1929 08 99.99 -99.99  25.30 
1929 09 99.99 -99.99  25.70 
1929 10 99.99 -99.99  26.10 
1929 11 99.99 -99.99  26.90 
1929 12 99.99 -99.99  27.10 
1930 01 99.99 -99.99  27.70 
1930 02 99.99 -99.99  27.10 
1930 03 99.99 -99.99  27.50 
1930 04 99.99 -99.99  26.70 
1930 05 99.99 -99.99  27.10 
1930 06 99.99 -99.99  26.50 
1930 07 99.99 -99.99  25.90 
1930 08 99.99 -99.99  25.50 
1930 09 99.99 -99.99  26.30 
1930 10 99.99 -99.99  26.70 
1930 11 99.99 -99.99  27.10 
1930 12 99.99 -99.99  26.50 
1931 01 99.99 -99.99  28.00 
1931 02 99.99 -99.99  28.00 
1931 03 99.99 -99.99  27.80 
1931 04 99.99 -99.99  28.30 
1931 05 99.99 -99.99  27.70 
1931 06 99.99 -99.99  27.20 
1931 07 99.99 -99.99  26.80 
1931 08 99.99 -99.99  26.40 
1931 09 99.99 -99.99  26.70 
1931 10 99.99 -99.99  26.90 
1931 11 99.99 -99.99  26.80 
1931 12 99.99 -99.99  28.00 
1932 01 99.99 -99.99  27.20 
1932 02 99.99 -99.99  27.60 
1932 03 99.99 -99.99  27.90 
1932 04 99.99 -99.99  27.60 
1932 05 99.99 -99.99  27.60 
1932 06 99.99 -99.99  26.80 
1932 07 99.99 -99.99  26.70 
1932 08 99.99 -99.99  26.30 
1932 09 99.99 -99.99  26.00 
1932 10 99.99 -99.99  26.80 
1932 11 99.99 -99.99  26.70 
1932 12 99.99 -99.99  26.20 
1933 01 99.99 -99.99  28.00 
1933 02 99.99 -99.99  27.70 
1933 03 99.99 -99.99  27.10 
1933 04 99.99 -99.99  27.90 
1933 05 99.99 -99.99  27.40 
1933 06 99.99 -99.99  26.60 
1933 07 99.99 -99.99  26.20 
1933 08 99.99 -99.99  26.40 
1933 09 99.99 -99.99  26.10 
1933 10 99.99 -99.99  26.40 
1933 11 99.99 -99.99  26.50 
1933 12 99.99 -99.99  27.00 
1934 01 99.99 -99.99  26.90 
1934 02 99.99 -99.99  26.60 
1934 03 99.99 -99.99  26.60 
1934 04 99.99 -99.99  27.20 
1934 05 99.99 -99.99  27.30 
1934 06 99.99 -99.99  26.70 
1934 07 99.99 -99.99  25.70 
1934 08 99.99 -99.99  26.00 
1934 09 99.99 -99.99  26.40 
1934 10 99.99 -99.99  26.60 
1934 11 99.99 -99.99  26.30 
1934 12 99.99 -99.99  27.00 
1935 01 99.99 -99.99  26.60 
1935 02 99.99 -99.99  27.30 
1935 03 99.99 -99.99  27.10 
1935 04 99.99 -99.99  26.80 
1935 05 99.99 -99.99  27.10 
1935 06 99.99 -99.99  26.20 
1935 07 99.99 -99.99  25.20 
1935 08 99.99 -99.99  26.10 
1935 09 99.99 -99.99  25.50 
1935 10 99.99 -99.99  26.40 
1935 11 99.99 -99.99  27.00 
1935 12 99.99 -99.99  27.70 
1936 01 99.99 -99.99  27.60 
1936 02 99.99 -99.99  27.90 
1936 03 99.99 -99.99  27.80 
1936 04 99.99 -99.99  27.60 
1936 05 99.99 -99.99  27.80 
1936 06 99.99 -99.99  27.10 
1936 07 99.99 -99.99  26.60 
1936 08 99.99 -99.99  26.70 
1936 09 99.99 -99.99  26.80 
1936 10 99.99 -99.99  26.90 
1936 11 99.99 -99.99  27.00 
1936 12 99.99 -99.99  27.10 
1937 01 99.99 -99.99  27.60 
1937 02 99.99 -99.99  28.00 
1937 03 99.99 -99.99  27.60 
1937 04 99.99 -99.99  27.00 
1937 05 99.99 -99.99  27.00 
1937 06 99.99 -99.99  26.90 
1937 07 99.99 -99.99  26.30 
1937 08 99.99 -99.99  25.80 
1937 09 99.99 -99.99  26.30 
1937 10 99.99 -99.99  27.00 
1937 11 99.99 -99.99  28.20 
1937 12 99.99 -99.99  27.20 
1938 01 99.99 -99.99  27.70 
1938 02 99.99 -99.99  27.70 
1938 03 99.99 -99.99  27.70 
1938 04 99.99 -99.99  27.70 
1938 05 99.99 -99.99  27.40 
1938 06 99.99 -99.99  26.70 
1938 07 99.99 -99.99  25.90 
1938 08 99.99 -99.99  25.90 
1938 09 99.99 -99.99  26.30 
1938 10 99.99 -99.99  27.30 
1938 11 99.99 -99.99  27.50 
1938 12 99.99 -99.99  27.40 
1939 01 99.99 -99.99  26.70 
1939 02 99.99 -99.99  27.30 
1939 03 99.99 -99.99  27.30 
1939 04 99.99 -99.99  27.40 
1939 05 99.99 -99.99  27.10 
1939 06 99.99 -99.99  26.10 
1939 07 99.99 -99.99  25.30 
1939 08 99.99 -99.99  25.30 
1939 09 99.99 -99.99  25.60 
1939 10 99.99 -99.99  26.30 
1939 11 99.99 -99.99  27.30 
1939 12 99.99 -99.99  28.10 
1940 01 99.99 -99.99  27.30 
1940 02 99.99 -99.99  27.60 
1940 03 99.99 -99.99  27.90 
1940 04 99.99 -99.99  27.60 
1940 05 99.99 -99.99  27.20 
1940 06 99.99 -99.99  26.70 
1940 07 99.99 -99.99  25.70 
1940 08 99.99 -99.99  25.50 
1940 09 99.99 -99.99  26.10 
1940 10 99.99 -99.99  27.10 
1940 11 99.99 -99.99  27.60 
1940 12 99.99 -99.99  28.10 
1941 01 99.99 -99.99  28.10 
1941 02 99.99 -99.99  28.50 
1941 03 99.99 -99.99  27.80 
1941 04 99.99 -99.99  28.50 
1941 05 99.99 -99.99  28.30 
1941 06 99.99 -99.99  26.70 
1941 07 99.99 -99.99  26.70 
1941 08 99.99 -99.99  26.20 
1941 09 99.99 -99.99  26.50 
1941 10 99.99 -99.99  26.70 
1941 11 99.99 -99.99  27.70 
1947 01 99.99 -99.99  28.30 
1947 02 99.99 -99.99  27.60 
1947 03 99.99 -99.99  27.40 
1947 04 99.99 -99.99  27.20 
1947 05 99.99 -99.99  27.50 
1947 06 99.99 -99.99  26.60 
1947 07 99.99 -99.99  26.70 
1947 08 99.99 -99.99  26.40 
1947 09 99.99 -99.99  26.60 
1947 10 99.99 -99.99  26.60 
1947 11 99.99 -99.99  26.70 
1947 12 99.99 -99.99  26.60 
1948 01 99.99 -99.99  27.80 
1948 02 99.99 -99.99  27.70 
1948 03 99.99 -99.99  27.80 
1948 04 99.99 -99.99  28.00 
1948 05 99.99 -99.99  27.70 
1948 06 99.99 -99.99  27.10 
1948 07 99.99 -99.99  26.10 
1948 08 99.99 -99.99  25.80 
1948 09 99.99 -99.99  26.30 
1948 10 99.99 -99.99  26.90 
1948 11 99.99 -99.99  27.30 
1948 12 99.99 -99.99  27.40 
1949 01 99.99 -99.99  27.70 
1949 02 99.99 -99.99  27.40 
1949 03 99.99 -99.99  27.40 
1949 04 99.99 -99.99  27.50 
1949 05 99.99 -99.99  27.00 
1949 06 99.99 -99.99  26.70 
1949 07 99.99 -99.99  25.40 
1949 08 99.99 -99.99  25.60 
1949 09 99.99 -99.99  26.20 
1949 10 99.99 -99.99  26.70 
1949 11 99.99 -99.99  26.70 
1949 12 99.99 -99.99  27.60 
1950 01 99.99 -99.99  27.90 
1950 02 99.99 -99.99  27.70 
1950 03 99.99 -99.99  27.60 
1950 04 99.99 -99.99  27.20 
1950 05 99.99 -99.99  27.20 
1950 06 99.99 -99.99  27.20 
1950 07 99.99 -99.99  25.90 
1950 08 99.99 -99.99  25.50 
1950 09 99.99 -99.99  26.50 
1950 10 99.99 -99.99  26.60 
1950 11 99.99 -99.99  27.10 
1950 12 99.99 -99.99  26.70 
1972 09 26.06  22.32  24.18 
1972 10 26.55  22.59  24.57 
1972 11 27.11  23.43  25.27 
1972 12 28.46  23.71  26.08 
1973 01 28.15  23.00  25.57 
1973 02 27.92  23.41  25.66 
1973 03 27.80  23.06  25.43 
1973 04 28.06  24.49  26.27 
1973 05 27.37  23.49  25.43 
1973 06 26.63  22.97  24.80 
1973 07 26.62  23.42  25.02 
1973 08 26.47  22.72  24.59 
1973 09 26.09  22.57  24.33 
1973 10 26.84  23.46  25.15 
1973 11 26.97  22.30  24.63 
1973 12 27.18  22.37  24.77 
1974 01 26.32  22.33  24.32 
1974 02 26.92  21.74  24.33 
1974 03 27.70  22.39  25.04 
1974 04 27.77  23.26  25.51 
1974 05 27.65  23.77  25.71 
1974 06 27.07  23.28  25.17 
1974 07 26.13  22.63  24.38 
1974 08 25.38  21.99  23.68 
1974 09 26.11  22.81  24.46 
1974 10 26.19  22.18  24.18 
1974 11 26.46  22.58  24.52 
1974 12 27.58  21.68  24.63 
1975 01 28.22  22.33  25.27 
1975 02 27.16  22.40  24.78 
1975 03 27.53  22.32  24.92 
1975 04 27.62  22.81  25.21 
1975 05 26.85  23.33  25.09 
1975 06 26.71  22.94  24.82 
1975 07 26.12  22.81  24.46 
1975 08 25.71  22.15  23.93 
1975 09 25.35  22.36  23.85 
1975 10 26.07  22.05  24.06 
1975 11 25.90  22.38  24.14 
1975 12 26.77  21.68  24.22 
1976 01 27.35  22.01  24.68 
1976 02 28.19  21.72  24.95 
1976 03 27.20  22.33  24.76 
1976 04 27.92  23.80  25.86 
1976 05 27.21  23.38  25.29 
1976 06 25.98  22.75  24.36 
1976 07 25.18  21.86  23.52 
1976 08 25.69  21.91  23.80 
1976 09 25.63  21.69  23.66 
1976 10 26.02  21.96  23.99 
1976 11 26.74  22.40  24.57 
1976 12 27.62  21.80  24.71 
1977 01 28.02  21.86  24.94 
1977 02 27.75  22.74  25.24 
1977 03 27.77  22.84  25.30 
1977 04 28.13  24.10  26.11 
1977 05 27.66  23.13  25.39 
1977 06 26.45  23.10  24.77 
1977 07 25.70  22.47  24.08 
1977 08 25.35  21.81  23.58 
1977 09 25.48  21.15  23.31 
1977 10 26.58  22.36  24.47 
1977 11 27.45  23.02  25.23 
1977 12 27.78  22.62  25.20 
1978 01 27.86  22.99  25.42 
1978 02 27.92  22.03  24.97 
1978 03 27.90  23.33  25.61 
1978 04 27.86  22.95  25.40 
1978 05 26.97  23.31  25.14 
1978 06 25.24  22.26  23.75 
1978 07 25.39  21.93  23.66 
1978 08 25.46  22.29  23.87 
1978 09 25.19  21.87  23.53 
1978 10 25.84  22.46  24.15 
1978 11 26.76  22.66  24.71 
1978 12 27.61  23.09  25.35 
1979 01 27.88  22.23  25.05 
1979 02 28.61  22.28  25.44 
1979 05 27.70  23.07  25.38 
1979 06 26.71  23.07  24.89 
1979 07 25.52  22.31  23.91 
1979 08 25.06  21.60  23.33 
1979 09 25.80  22.26  24.03 
1979 10 26.51  22.35  24.43 
1979 11 28.22  23.71  25.96 
1979 12 28.00  23.07  25.53 
1980 01 27.94  22.41  25.17 
1980 02 27.68  22.53  25.10 
1980 03 29.40  22.81  26.10 
1980 04 28.79  23.60  26.19 
1980 05 28.11  24.35  26.23 
1980 06 27.35  23.26  25.30 
1980 07 26.65  22.41  24.53 
1980 10 27.05  22.34  24.69 
1980 11 27.02  22.54  24.78 
1980 12 27.94  23.05  25.49 
1981 01 27.60  21.98  24.79 
1981 02 27.88  22.20  25.04 
1981 03 28.39  23.53  25.96 
1981 04 28.45  23.60  26.02 
1981 09 27.33 -99.99 -99.99 
1981 11 27.06 -99.99 -99.99 
1982 03 28.49  21.40  24.94 
1982 05 28.31 -99.99 -99.99 
1982 07 26.51  21.63  24.07 
1982 08 26.77 -99.99 -99.99 
1982 09 26.67 -99.99 -99.99 
1983 02 30.16  23.06  26.61 
1983 04 99.99  22.90 -99.99 
1983 08 27.09  22.04  24.56 
1983 09 27.56  22.44  25.00 
1983 10 28.24  23.06  25.65 
1983 11 27.74  22.85  25.29 
1983 12 27.44  22.21  24.82 
1984 01 27.70  22.78  25.24 
1984 02 27.92  21.96  24.93 
1984 03 28.71  22.31  25.50 
1984 04 29.41  22.13  25.77 
1984 07 27.46  22.41  24.93 
1984 08 27.51  22.06  24.78 
1985 04 28.27  22.41  25.34 
1985 12 27.35  22.31  24.83 
1986 01 27.50  22.35  24.92 
1986 02 27.30  21.96  24.63 
1986 03 27.81 -99.99 -99.99 
1986 04 27.74 -99.99 -99.99 
1986 05 27.79 -99.99 -99.99 
1986 06 26.39  22.00  24.19 
1986 07 25.75  21.74  23.74 
1986 08 24.91  21.09  23.00 
1986 09 25.49  21.61  23.55 
1986 10 99.99  21.48 -99.99 
1986 11 99.99  22.32 -99.99 
1986 12 27.70  22.68  25.19 
1987 01 27.75  22.53  25.14 
1987 02 27.90  21.88  24.89 
1987 03 28.53  23.51  26.02 
1987 04 28.92  23.52  26.22 
1987 05 28.27  24.14  26.20 
1987 06 27.61  23.46  25.53 
1987 07 26.99  22.73  24.86 
1987 08 26.80  22.31  24.55 
1987 09 27.10  22.19  24.64 
1987 10 27.63  22.43  25.03 
1987 11 27.81  22.41  25.11 
1987 12 27.97  22.11  25.04 
1988 01 28.26  22.80  25.53 
1988 02 28.88  23.25  26.06 
1988 03 28.91  23.03  25.97 
1988 04 28.70  23.63  26.16 
1988 05 28.35  23.92  26.13 
1988 06 27.56 -99.99 -99.99 
1988 07 26.62  22.67  24.64 
1988 08 26.43  22.33  24.38 
1988 09 27.01  22.27  24.64 
1988 10 26.93  22.35  24.64 
1988 11 27.36  22.42  24.89 
1988 12 27.65  21.35  24.50 
1989 01 28.29  22.86  25.57 
1989 02 28.09  22.04  25.06 
1989 03 28.25  22.59  25.42 
1989 04 28.68  22.67  25.67 
1989 05 28.09  23.27  25.68 
1989 06 27.19  21.82  24.50 
1989 07 26.94  22.08  24.51 
1989 08 26.79  22.77  24.78 
1989 09 26.90  22.40  24.65 
1989 10 27.38  22.62  25.00 
1989 11 28.32  22.55  25.43 
1989 12 28.20  22.79  25.49 
1990 01 27.53  22.80  25.16 
1990 02 28.72  22.92  25.82 
1990 03 28.50  23.24  25.87 
1990 04 28.72  24.23  26.47 
1990 05 27.91  23.84  25.87 
1990 06 26.93  23.30  25.11 
1990 07 26.75  22.37  24.56 
1990 08 26.25  22.43  24.34 
1990 09 26.51  22.67  24.59 
1990 10 27.70  23.19  25.44 
1990 11 28.41  23.18  25.79 
1990 12 28.30  22.78  25.54 
1991 01 27.75  22.54  25.14 
1991 02 28.19  23.17  25.68 
1991 03 28.24  22.59  25.41 
1991 04 27.82  23.31  25.56 
1991 05 28.07  24.35  26.21 
1991 06 27.24  23.11  25.17 
1991 07 26.53  22.58  24.55 
1991 08 26.27  22.04  24.15 
1991 09 26.23  21.92  24.07 
1991 10 27.23  22.53  24.88 
1991 11 27.25  22.33  24.79 
1991 12 27.67  22.33  25.00 
1992 01 28.19  22.56  25.37 
1992 02 28.20  22.83  25.51 
1992 03 28.89  23.35  26.12 
1992 04 28.57  23.23  25.90 
1992 05 28.43  23.55  25.99 
1992 06 28.36  23.74  26.05 
1992 07 26.57  22.66  24.61 
1992 08 26.11  21.77  23.94 
1992 09 25.72  21.78  23.75 
1992 10 26.82  22.38  24.59 
1992 11 27.09  22.71  24.90 
1992 12 27.55  22.55  25.05 
1993 01 28.08  22.86  25.47 
1993 02 28.14  22.39  25.26 
1993 03 28.35  23.25  25.80 
1993 04 28.02  23.34  25.68 
1993 05 28.01  24.02  26.01 
1993 06 27.78  23.36  25.57 
1993 07 26.63  22.60  24.61 
1993 08 26.08  22.17  24.12 
1993 09 26.49  22.17  24.33 
1993 10 26.90  22.06  24.48 
1993 11 27.48  22.86  25.17 
1993 12 27.93  23.10  25.51 
1994 01 28.42  22.75  25.58 
1994 02 27.95  22.60  25.27 
1994 03 28.18  23.14  25.66 
1994 06 25.81  22.32  24.06 
1995 04 28.41  23.48  25.94 
1995 07 27.07 -99.99 -99.99 
1995 08 26.16 -99.99 -99.99 
1995 09 26.36  22.17  24.26 
1995 10 27.04  23.20  25.12 
1995 11 27.20  23.43  25.31 
1995 12 27.12  22.29  24.70 
1996 01 27.95  23.12  25.53 
1996 02 28.29  23.24  25.76 
1996 03 28.51  23.67  26.09 
1996 04 28.63  23.82  26.22 
1996 05 27.60  24.28  25.94 
1996 06 27.11  23.57  25.34 
1996 07 26.98  23.36  25.17 
1996 08 26.18  22.53  24.35 
1996 09 26.71 -99.99 -99.99 
1996 10 27.61  23.49  25.55 
1996 11 27.48  23.07  25.27 
1996 12 27.27  22.59  24.93 
1997 01 27.60  22.77  25.18 
1997 02 26.61  22.59  24.60 
1997 03 27.66  23.35  25.50 
1997 04 28.07  23.91  25.99 
1997 05 27.48  23.59  25.53 
1997 06 27.47  23.86  25.66 
1997 07 25.56  21.90  23.73 
1997 08 24.98  20.81  22.89 
1997 09 25.55  21.78  23.66 
1997 10 26.98  22.71  24.84 
1997 11 27.34  23.18  25.26 
1997 12 28.07  23.19  25.63 
1998 01 28.68  22.74  25.71 
1998 02 28.96  23.76  26.36 
1998 03 28.59  23.78  26.18 
1998 04 28.70  24.26  26.48 
1998 05 28.23  24.59  26.41 
1998 06 27.44  23.98  25.71 
1998 07 26.72  22.78  24.75 
1998 08 26.95  23.92  25.43 
1998 09 26.75  23.37  25.06 
1998 10 26.78  23.41  25.09 
1998 11 27.02  22.79  24.90 
1998 12 27.48  22.75  25.11 
1999 01 27.42  23.09  25.25 
1999 02 27.86  22.71  25.28 
1999 03 27.79  22.88  25.33 
1999 04 27.61  23.44  25.52 
1999 05 27.75  23.70  25.72 
1999 06 26.92  23.41  25.16 
1999 07 25.70  22.52  24.11 
1999 08 26.12  22.37  24.24 
1999 09 26.09  22.70  24.39 
1999 10 26.75  23.06  24.90 
1999 11 26.97  22.22  24.59 
1999 12 27.34  22.50  24.92 
2000 01 27.25  22.37  24.81 
2000 02 26.65  22.76  24.70 
2000 03 27.40  22.65  25.02 
2000 04 28.08  23.16  25.62 
2000 05 27.34  23.55  25.44 
2000 06 26.81  23.49  25.15 
2000 07 26.51  23.01  24.76 
2000 08 26.02  21.99  24.00 
2000 09 26.33  22.76  24.54 
2000 10 26.66  22.63  24.64 
2000 11 26.37  22.03  24.20 
2000 12 27.40  21.68  24.54 
2001 01 27.37  22.91  25.14 
2001 02 27.26  21.84  24.55 
2001 03 27.49  22.96  25.22 
2001 04 27.62  24.13  25.87 
2001 05 27.50 -99.99 -99.99 
2001 06 27.07  23.64  25.35 
2001 07 99.99  23.21 -99.99 
2001 08 99.99  23.06 -99.99 
2001 09 26.11  22.68  24.39 
2001 10 25.96  22.64  24.30 
2001 11 26.75  22.79  24.77 
2002 01 28.28  23.47  25.87 
2002 02 27.54  22.80  25.17 
2002 03 99.99  23.61 -99.99 
2002 04 99.99  24.55 -99.99 
2002 05 99.99  25.05 -99.99 
2002 07 99.99  23.24 -99.99 
2002 08 99.99  22.43 -99.99 
2002 09 25.89  22.06  23.97 
2002 10 26.70  22.71  24.70 
2002 11 27.39  23.22  25.30 
2002 12 27.68  23.84  25.76 
2003 01 28.68 -99.99 -99.99 
2003 03 28.17  24.05  26.11 
2003 04 28.61  24.65  26.63 
2003 05 27.62  24.35  25.98 
2003 06 27.28  24.25  25.76 
2003 07 26.22 -99.99 -99.99 
2003 08 25.48  22.00  23.74 
2003 09 25.87  22.26  24.06 
2003 10 26.45  22.48  24.46 
2003 11 26.61  22.87  24.74 
2003 12 27.46 -99.99 -99.99 
2004 01 27.82  22.97  25.39 
2004 02 27.70  23.14  25.42 
2004 03 27.77  23.49  25.63 
2004 04 28.46 -99.99 -99.99 
2004 05 27.22  23.58  25.40 
2004 06 26.44  23.35  24.89 
2004 07 26.10 -99.99 -99.99 
2004 08 25.41  22.16  23.78 
2004 09 25.67  22.54  24.10 
2004 10 26.43  22.66  24.54 
2004 11 27.21  23.55  25.38 
2004 12 27.64  22.75  25.19 
2005 01 99.99  23.45 -99.99 
2005 02 99.99  23.86 -99.99 
2005 03 99.99  24.06 -99.99 
2005 04 99.99  24.21 -99.99 
2005 05 99.99  25.04 -99.99 
2005 06 99.99  23.63 -99.99 
2005 07 99.99  23.42 -99.99 
2005 08 99.99  22.46 -99.99 
2005 09 25.86  22.44  24.15 
2005 10 99.99  22.81 -99.99 
2005 11 26.71 -99.99 -99.99 
2005 12 27.43 -99.99 -99.99 
2006 01 28.15 -99.99 -99.99 
2006 02 28.07  23.65  25.86 
2006 03 28.64  23.82  26.23 
2006 04 27.28  23.67  25.47 
2006 05 99.99  23.82 -99.99 
2006 06 26.86  24.01  25.43 
2006 07 25.26  22.45  23.85 
2006 08 25.31  22.05  23.68 
2006 09 25.94  22.17  24.05 
2006 10 26.91  23.03  24.97 
2006 11 27.54  23.97  25.75 
2006 12 27.90  24.19  26.04 
2007 01 27.57  22.63  25.09 
2007 02 99.99  23.34 -99.99 
2007 03 27.64  23.47  25.55 
2007 04 99.99  24.29 -99.99 
2007 05 99.99  24.71 -99.99 
2007 06 26.97  24.06  25.51 
2007 07 26.15  22.99  24.57 
2007 08 26.02  22.59  24.30 
2007 09 25.88  22.22  24.05 
2007 10 26.74  22.90  24.82 
2007 11 27.38  22.68  25.03 
2007 12 27.36  23.14  25.25 
2008 01 28.25  23.11  25.68 
2008 02 26.53  22.75  24.64 
2008 03 27.40  23.15  25.27 
2008 04 27.46  23.82  25.64 
2008 05 27.18  24.11  25.64 
2008 06 26.60  23.48  25.04 
2008 07 25.64  22.47  24.05 
2008 08 25.61  22.69  24.15 
2008 09 99.99  22.66 -99.99 
2008 10 26.64  23.27  24.95 
2008 11 26.26  22.91  24.58 
2008 12 26.82  22.31  24.56 
2009 01 27.96  23.02  25.49 
2009 02 27.53  23.05  25.29 
2009 03 28.09  23.72  25.90 
2009 04 27.96  23.85  25.90 
2009 05 27.18  23.86  25.52 
2009 06 27.15  24.01  25.58 
2009 07 26.18  23.04  24.61 
2009 08 99.99  22.38 -99.99 
2009 09 25.57  22.45  24.01 
2009 10 26.56  23.06  24.81 
2009 11 26.88  23.72  25.30 
2009 12 27.87  23.00  25.43 
2010 01 28.42  23.38  25.90 
2010 02 28.62  24.06  26.34 
2010 03 99.99  24.65 -99.99 
2010 04 27.81  24.24  26.02 
2010 05 27.15  24.25  25.70 
2010 06 99.99  24.25 -99.99 
2010 07 99.99  23.31 -99.99 
2010 08 99.99  23.63 -99.99 
2010 09 99.99  23.29 -99.99 
2010 10 26.50  23.28  24.89 
2010 11 27.37  23.34  25.35 
2010 12 27.17  22.58  24.87 
2011 01 99.99  23.28 -99.99 
2011 02 26.82  23.23  25.02 
2011 03 28.26  22.99  25.62 
2011 04 27.89  23.46  25.67 
2011 05 27.45  23.60  25.52 
2011 06 26.57  23.65  25.11 
2011 07 99.99  22.38 -99.99 
2011 08 26.02  22.44  24.23 
2011 09 26.21  22.51  24.36 
2011 10 26.61  23.01  24.81 
2011 11 26.99  23.12  25.05 
2011 12 28.15  23.46  25.80 
2012 01 99.99  23.09 -99.99 
2012 02 99.99  23.38 -99.99 
2012 03 99.99  23.11 -99.99 
2012 04 27.76  24.15  25.95 
2012 05 99.99  24.49 -99.99 
2012 06 27.04  24.00  25.52 
2012 07 26.32  23.04  24.68 
2012 08 26.19  22.44  24.31 
2012 09 26.47  22.56  24.51 
2012 10 27.61  23.58  25.59 
2012 11 28.56  24.26  26.41 
2012 12 28.51  23.98  26.24 
2013 01 28.73  23.55  26.14 
2013 02 28.87  24.63  26.75 
2013 03 28.93  24.26  26.59 
2013 04 28.77  24.92  26.84 
2013 05 28.14  24.33  26.23 
2013 06 99.99  23.89 -99.99 
2013 07 26.47  23.45  24.96 
2013 08 99.99  23.25 -99.99 
2013 09 99.99  22.87 -99.99 
2013 10 99.99  23.64 -99.99 
2013 11 99.99  22.84 -99.99 
2013 12 99.99  23.18 -99.99 
