1920 02 17.32   9.54  13.43 
1920 03 17.95  11.11  14.53 
1924 01 99.99   5.74 -99.99 
1924 02 99.99   6.46 -99.99 
1924 03 20.69  11.42  16.05 
1924 04 25.22  13.89  19.55 
1924 05 26.77  16.67  21.72 
1924 06 30.57  20.27  25.42 
1924 07 31.90  21.74  26.82 
1924 08 32.90  21.90  27.40 
1924 09 34.25  20.33  27.29 
1924 10 34.62  19.54  27.08 
1924 12 21.37   9.57  15.47 
1925 01 22.17 -99.99 -99.99 
1925 02 21.74  11.28  16.51 
1925 03 23.48  12.32  17.90 
1925 04 26.67  12.14  19.40 
1925 05 27.90  14.00  20.95 
1925 06 30.39  14.86  22.62 
1925 07 31.00  19.94  25.47 
1925 08 31.10  20.90  26.00 
1925 09 29.11  19.36  24.23 
1925 10 27.75  17.50  22.62 
1925 11 23.73  14.58  19.15 
1925 12 20.76  10.97  15.86 
1926 01 20.79 -99.99 -99.99 
1926 08 28.07  20.86  24.46 
1926 09 28.62  19.00  23.81 
1926 10 27.57  18.19  22.88 
1926 11 24.48 -99.99 -99.99 
1926 12 19.73 -99.99 -99.99 
1927 01 18.58   8.37  13.47 
1927 02 17.21   7.81  12.51 
1927 03 20.37  11.34  15.86 
1927 04 21.97  12.28  17.12 
1927 05 26.52  16.52  21.52 
1927 06 29.90  19.87  24.88 
1927 07 32.58  22.97  27.77 
1927 08 31.17  21.87  26.52 
1927 09 29.53  20.03  24.78 
1927 10 28.26  18.95  23.61 
1927 11 25.29  17.00  21.14 
1927 12 22.00  12.03  17.01 
1928 01 18.10  10.14  14.12 
1928 02 16.54   8.82  12.68 
1928 03 21.10  11.17  16.13 
1928 04 28.46  15.50  21.98 
1928 05 29.17  17.62  23.40 
1928 06 29.45  19.00  24.22 
1928 07 31.52  20.87  26.19 
1928 08 32.40  22.00  27.20 
1928 09 31.63  21.41  26.52 
1928 10 27.43  18.73  23.08 
1928 12 20.00  10.10  15.05 
1929 01 17.10   8.18  12.64 
1929 02 18.20   7.46  12.83 
1929 03 18.90  10.07  14.48 
1929 04 24.30  13.10  18.70 
1929 05 29.07  18.62  23.84 
1929 06 28.70  19.15  23.92 
1929 07 31.07  20.96  26.01 
1929 08 32.28  22.28  27.28 
1929 09 30.27  21.65  25.96 
1929 10 27.21  16.67  21.93 
1929 11 24.54  13.70  19.12 
1930 01 17.90   9.14  13.52 
1930 02 18.58   8.77  13.67 
1930 03 20.40  10.53  15.46 
1930 04 25.83  13.86  19.84 
1930 05 99.99  16.07 -99.99 
1930 06 28.59  20.86  24.72 
1930 07 30.55  21.87  26.21 
1930 08 29.84  21.58  25.71 
1930 09 28.41  20.00  24.20 
1930 10 26.62  17.93  22.27 
1930 11 99.99  14.00 -99.99 
1930 12 99.99  12.67 -99.99 
1931 01 99.99   9.47 -99.99 
1931 02 99.99   8.12 -99.99 
1931 03 99.99  11.57 -99.99 
1931 04 24.27  12.73  18.50 
1931 05 26.40  15.84  21.12 
1931 06 30.62  19.76  25.19 
1931 07 32.97  21.26  27.11 
1931 08 32.43  21.37  26.90 
1931 09 30.67  19.73  25.20 
1931 10 27.31  16.33  21.82 
1931 11 22.03  12.90  17.46 
1931 12 19.34   9.41  14.37 
1932 01 15.83   7.90  11.86 
1932 02 18.71   9.03  13.87 
1932 03 22.73  10.22  16.48 
1932 04 24.67  12.40  18.53 
1932 05 26.30  14.93  20.61 
1932 06 29.33  18.23  23.78 
1932 07 31.55  20.00  25.77 
1932 08 28.81  18.58  23.69 
1932 09 28.30  17.96  23.13 
1932 10 29.52  16.67  23.09 
1932 11 22.36  13.29  17.82 
1932 12 18.53   9.77  14.15 
1933 07 28.13  19.12  23.63 
1933 08 29.16  19.32  24.24 
1933 09 26.67  17.33  22.00 
1933 10 25.43  15.57  20.50 
1933 11 26.90  16.79  21.84 
1933 12 19.53  10.33  14.93 
1934 01 16.87   6.94  11.90 
1934 02 15.68   6.25  10.96 
1934 03 21.68  10.39  16.03 
1934 04 23.03  12.77  17.90 
1934 05 25.52  16.58  21.05 
1934 06 28.97  19.03  24.00 
1934 07 30.39  20.03  25.21 
1934 08 30.10  20.29  25.19 
1934 09 27.73  18.90  23.31 
1934 10 27.93  17.70  22.81 
1934 11 24.18  15.43  19.80 
1934 12 19.06   9.63  14.34 
1935 01 17.82   7.46  12.64 
1935 02 19.67   8.67  14.17 
1935 03 18.81  10.00  14.40 
1935 04 24.00  12.03  18.01 
1935 05 26.32  17.17  21.74 
1935 06 28.43  18.10  23.26 
1935 07 29.03  19.58  24.30 
1935 08 29.03  19.54  24.29 
1935 09 28.93  19.40  24.16 
1935 10 26.14  17.24  21.68 
1935 11 22.07  12.14  17.10 
1935 12 21.03   9.55  15.29 
1936 01 19.79   9.22  14.51 
1936 02 20.31  10.07  15.19 
1936 03 20.48  11.03  15.75 
1936 04 24.48  13.66  19.07 
1936 05 23.65  15.03  19.34 
1936 06 27.53  17.17  22.35 
1936 07 30.13  19.90  25.01 
1936 08 29.61  20.19  24.90 
1936 09 28.60  17.70  23.15 
1936 10 29.90  18.26  24.08 
1936 11 22.67  13.43  18.04 
1936 12 17.17   9.39  13.28 
1937 01 16.07   6.70  11.38 
1937 02 19.33   8.47  13.90 
1937 03 22.35  11.07  16.70 
1937 04 25.43  13.61  19.52 
1937 05 25.57  15.75  20.66 
1937 06 28.27  18.03  23.15 
1937 07 29.94  20.48  25.21 
1937 08 29.77  21.00  25.38 
1937 09 29.83  20.46  25.15 
1937 10 26.35  16.10  21.22 
1937 11 24.18  13.86  19.02 
1937 12 19.54   8.43  13.99 
1938 07 29.90  19.93  24.91 
1938 08 31.10  21.30  26.20 
1938 09 27.93  19.28  23.60 
1938 10 26.10  15.61  20.85 
1938 11 21.69  13.07  17.38 
1938 12 19.00   8.84  13.92 
1939 01 17.96   7.97  12.96 
1939 02 17.56   7.93  12.74 
1939 03 20.03   8.81  14.42 
1939 04 23.17  12.83  18.00 
1939 05 26.97  16.39  21.68 
1939 06 26.70  17.00  21.85 
1939 07 30.00  20.50  25.25 
1939 08 30.03  20.48  25.25 
1939 09 29.86  20.67  25.26 
1939 10 28.20  17.90  23.05 
1939 11 23.84  14.00  18.92 
1939 12 19.96   9.77  14.87 
1940 01 17.57   7.13  12.35 
1940 02 18.83   8.21  13.52 
1940 03 21.45  10.52  15.98 
1940 04 22.73  12.07  17.40 
1940 05 26.32  14.90  20.61 
1949 01 17.41   6.92  12.16 
1949 02 16.84   6.89  11.86 
1949 03 18.11   8.31  13.21 
1949 04 20.84  10.75  15.79 
1949 05 24.97  15.30  20.13 
1949 06 28.22  17.48  22.84 
1949 07 30.25  19.32  24.78 
1949 08 29.04  18.61  23.82 
1949 09 27.57  17.18  22.37 
1950 01 99.99   8.87 -99.99 
1950 02 18.29   8.88  13.59 
1950 03 99.99  10.89 -99.99 
1950 04 99.99  12.42 -99.99 
1950 05 24.34  15.35  19.84 
1950 06 99.99  19.00 -99.99 
1950 08 99.99  20.81 -99.99 
1950 09 99.99  19.78 -99.99 
1950 12 22.23  10.96  16.59 
1951 02 20.52   9.89  15.20 
1951 06 99.99  19.84 -99.99 
1951 09 99.99  20.45 -99.99 
1952 03 23.33 -99.99 -99.99 
1952 04 99.99  14.07 -99.99 
1952 05 25.69  16.20  20.95 
1952 06 99.99  19.27 -99.99 
1952 11 25.78  14.85  20.31 
1952 12 21.24  10.52  15.88 
1953 01 18.25 -99.99 -99.99 
1953 03 17.48   8.84  13.16 
1953 04 23.78  13.33  18.55 
1953 05 26.52  16.62  21.57 
1953 11 22.46  12.85  17.65 
1953 12 18.29  10.07  14.18 
1954 01 18.19   7.07  12.63 
1954 02 19.64   9.12  14.37 
1954 03 99.99  10.10 -99.99 
1954 04 99.99  11.89 -99.99 
1954 05 99.99  15.30 -99.99 
1954 06 29.00  18.93  23.96 
1954 07 31.07  21.07  26.07 
1954 08 30.50  21.41  25.95 
1955 02 24.37  12.39  18.38 
1955 03 22.97  12.10  17.53 
1955 04 23.72  14.21  18.96 
1955 05 26.83  17.48  22.15 
1955 06 30.37  21.47  25.92 
1956 01 19.83  10.87  15.35 
1956 02 20.19  11.19  15.69 
1956 03 19.03  11.00  15.01 
1956 04 23.69  14.20  18.94 
1956 05 25.03  16.16  20.59 
1956 06 29.53  20.73  25.13 
1956 07 32.04  22.00  27.02 
1956 08 30.03  21.33  25.68 
1956 09 29.03  21.37  25.20 
1956 10 25.63  17.10  21.36 
1957 01 17.26   9.03  13.14 
1957 02 20.54  11.88  16.21 
1957 03 20.29  11.60  15.94 
1957 04 24.03  14.18  19.10 
1957 05 25.81  16.71  21.26 
1957 06 29.83  20.87  25.35 
1957 07 29.80  21.28  25.54 
1957 08 31.61  22.19  26.90 
1957 09 29.33  21.43  25.38 
1957 10 27.93  19.10  23.51 
1957 11 25.70  16.00  20.85 
1957 12 20.80  10.71  15.75 
1960 01 19.10 -99.99 -99.99 
1960 02 20.80  10.30  15.54 
1960 03 21.60  11.70  16.65 
1960 04 24.80  14.60  19.70 
1960 05 25.70  17.10  21.40 
1960 06 28.30  20.70  24.50 
1960 07 30.90  22.20  26.55 
1960 08 31.50  23.00  27.25 
1960 09 29.10  20.80  24.95 
1960 10 29.90  20.29  25.09 
1960 11 25.00  16.10  20.55 
1960 12 21.20  13.00  17.10 
1961 01 18.00   9.80  13.90 
1961 02 16.50   9.20  12.85 
1961 03 20.00  11.50  15.75 
1961 04 24.30  13.20  18.75 
1961 05 27.80  17.29  22.55 
1961 06 29.80  20.80  25.30 
1961 07 30.00  21.70  25.85 
1961 08 30.80  21.70  26.25 
1961 09 26.90  19.10  23.00 
1961 10 26.20  17.29  21.75 
1961 11 25.40  15.40  20.40 
1961 12 20.50  11.80  16.15 
1962 01 19.20  10.50  14.85 
1962 02 18.29 -99.99 -99.99 
1962 03 22.00  12.80  17.40 
1962 04 22.90  13.80  18.35 
1962 05 25.70  16.60  21.15 
1962 06 29.50  20.40  24.95 
1962 07 31.10  21.80  26.45 
1962 08 31.20  22.70  26.95 
1962 09 29.20  20.80  25.00 
1962 10 27.40  19.29  23.34 
1962 11 25.50  17.50  21.50 
1962 12 20.80 -99.99 -99.99 
1963 01 20.40 -99.99 -99.99 
1963 02 21.10 -99.99 -99.99 
1963 03 21.50  11.70  16.60 
1963 04 21.90  15.10  18.50 
1963 05 24.60  17.10  20.85 
1963 06 28.50  21.10  24.80 
1963 07 31.30  22.60  26.95 
1963 08 31.70  22.60  27.15 
1963 09 29.20  21.30  25.25 
1963 10 28.10  20.10  24.10 
1963 11 24.30  14.80  19.54 
1963 12 22.50  13.30  17.90 
1964 01 17.79   9.20  13.50 
1964 02 19.70 -99.99 -99.99 
1964 03 23.00  12.40  17.70 
1964 04 22.40  13.70  18.04 
1964 05 24.80  17.00  20.90 
1964 06 29.90  20.50  25.20 
1964 07 30.10  21.80  25.95 
1964 08 30.60  22.60  26.60 
1964 09 28.60  19.50  24.05 
1964 10 28.60  19.20  23.90 
1964 11 24.40  15.00  19.70 
1964 12 21.30 -99.99 -99.99 
1965 01 18.50 -99.99 -99.99 
1965 02 19.40   8.70  14.04 
1965 03 22.40  11.60  17.00 
1965 04 25.20  13.30  19.25 
1965 05 26.00  15.80  20.90 
1965 06 31.80  20.70  26.25 
1965 07 32.30  22.10  27.20 
1965 08 30.40  21.80  26.09 
1965 09 29.60  20.10  24.85 
1965 10 26.70  17.70  22.20 
1965 11 23.90  13.80  18.85 
1965 12 20.20  10.40  15.30 
1966 01 20.00   8.70  14.35 
1966 03 21.30  10.60  15.95 
1966 06 29.80  19.70  24.75 
1966 08 99.99  22.80 -99.99 
1966 09 28.70  20.60  24.65 
1966 10 99.99 -99.99  24.70 
1966 11 99.99 -99.99  21.20 
1966 12 99.99 -99.99  14.90 
1967 01 99.99 -99.99  13.30 
1967 02 99.99 -99.99  14.20 
1967 03 99.99 -99.99  15.00 
1967 04 99.99 -99.99  19.00 
1967 05 99.99 -99.99  20.80 
1967 06 99.99 -99.99  24.80 
1967 07 99.99 -99.99  25.70 
1967 08 99.99 -99.99  26.80 
1967 09 99.99 -99.99  25.00 
1967 10 99.99 -99.99  22.30 
1967 11 99.99 -99.99  18.90 
1967 12 99.99 -99.99  15.50 
1968 01 99.99 -99.99  13.00 
1968 02 99.99 -99.99  15.40 
1968 03 99.99 -99.99  15.40 
1968 04 99.99 -99.99  19.50 
1968 05 99.99 -99.99  23.10 
1968 06 99.99 -99.99  26.50 
1968 07 99.99 -99.99  26.50 
1968 08 99.99 -99.99  27.30 
1968 09 99.99 -99.99  25.20 
1968 10 99.99 -99.99  21.60 
1968 11 99.99 -99.99  18.60 
1968 12 99.99 -99.99  15.50 
1969 01 99.99 -99.99  13.10 
1969 02 99.99 -99.99  16.40 
1969 03 99.99 -99.99  18.20 
1969 04 99.99 -99.99  17.29 
1969 05 99.99 -99.99  21.60 
1969 06 99.99 -99.99  26.80 
1969 07 99.99 -99.99  25.40 
1969 08 99.99 -99.99  25.70 
1969 09 99.99 -99.99  26.40 
1969 10 99.99 -99.99  22.60 
1969 11 99.99 -99.99  19.60 
1969 12 99.99 -99.99  15.50 
1970 01 99.99 -99.99  15.90 
1970 02 99.99 -99.99  16.10 
1970 03 99.99 -99.99  17.79 
1970 04 99.99 -99.99  19.00 
1970 05 99.99 -99.99  21.40 
1970 06 99.99 -99.99  24.40 
1970 07 99.99 -99.99  25.90 
1970 08 99.99 -99.99  27.00 
1970 09 99.99 -99.99  25.00 
1970 10 99.99 -99.99  21.80 
1970 11 99.99 -99.99  18.70 
1970 12 99.99 -99.99  15.10 
1971 01 99.99 -99.99  15.70 
1971 02 99.99 -99.99  14.60 
1971 03 99.99 -99.99  17.10 
1971 04 99.99 -99.99  18.29 
1971 05 99.99 -99.99  22.20 
1971 06 99.99 -99.99  24.90 
1971 07 99.99 -99.99  25.50 
1971 08 99.99 -99.99  26.20 
1971 09 99.99 -99.99  24.40 
1971 10 99.99 -99.99  21.50 
1971 11 99.99 -99.99  18.60 
1971 12 99.99 -99.99  14.60 
1972 01 99.99 -99.99  14.30 
1972 02 99.99 -99.99  15.30 
1972 03 99.99 -99.99  16.20 
1972 04 99.99 -99.99  19.50 
1972 05 99.99 -99.99  20.70 
1972 06 99.99 -99.99  25.90 
1972 07 99.99 -99.99  25.90 
1972 08 99.99 -99.99  26.60 
1972 09 99.99 -99.99  27.10 
1972 10 99.99 -99.99  23.00 
1972 11 99.99 -99.99  18.29 
1972 12 99.99 -99.99  16.20 
1973 01 99.99 -99.99  14.70 
1973 02 99.99 -99.99  15.80 
1973 03 99.99 -99.99  16.20 
1973 04 99.99 -99.99  17.50 
1973 05 99.99 -99.99  22.10 
1973 06 99.99 -99.99  24.80 
1973 07 99.99 -99.99  26.80 
1973 08 99.99 -99.99  26.20 
1973 09 99.99 -99.99  25.00 
1973 10 99.99 -99.99  23.50 
1973 11 99.99 -99.99  18.00 
1973 12 99.99 -99.99  16.29 
1974 01 99.99 -99.99  13.40 
1974 02 99.99 -99.99  15.60 
1974 03 99.99 -99.99  17.00 
1974 04 99.99 -99.99  19.40 
1974 05 99.99 -99.99  21.00 
1974 06 99.99 -99.99  24.20 
1974 07 99.99 -99.99  25.70 
1974 08 99.99 -99.99  25.90 
1974 09 99.99 -99.99  25.20 
1974 10 99.99 -99.99  24.50 
1975 01 99.99 -99.99  13.00 
1975 02 99.99 -99.99  13.70 
1975 03 99.99 -99.99  17.29 
1975 04 99.99 -99.99  19.10 
1975 05 99.99 -99.99  22.80 
1975 06 99.99 -99.99  24.50 
1975 07 99.99 -99.99  25.50 
1975 08 99.99 -99.99  25.90 
1975 09 99.99 -99.99  25.30 
1975 10 99.99 -99.99  22.50 
1975 11 99.99 -99.99  18.90 
1975 12 99.99 -99.99  15.30 
1976 01 99.99 -99.99  13.30 
1976 02 99.99 -99.99  12.90 
1976 03 99.99 -99.99  15.20 
1976 04 99.99 -99.99  18.40 
1976 05 99.99 -99.99  22.30 
1976 06 99.99 -99.99  23.80 
1976 07 99.99 -99.99  26.20 
1976 08 99.99 -99.99  25.50 
1976 09 99.99 -99.99  24.40 
1976 10 99.99 -99.99  23.30 
1976 11 99.99 -99.99  18.70 
1976 12 99.99 -99.99  15.70 
1977 01 99.99 -99.99  14.60 
1977 02 99.99 -99.99  16.20 
1977 03 99.99 -99.99  15.20 
1977 04 99.99 -99.99  18.29 
1977 05 99.99 -99.99  22.20 
1977 06 99.99 -99.99  24.60 
1977 07 99.99 -99.99  27.20 
1977 08 99.99 -99.99  26.50 
1977 09 99.99 -99.99  25.00 
1977 10 99.99 -99.99  20.60 
1977 11 99.99 -99.99  19.40 
1977 12 99.99 -99.99  14.00 
1978 01 99.99 -99.99  13.30 
1978 02 99.99 -99.99  16.29 
1978 03 99.99 -99.99  15.90 
1978 04 99.99 -99.99  19.10 
1978 05 99.99 -99.99  22.20 
1978 06 99.99 -99.99  24.90 
1978 07 99.99 -99.99  26.10 
1978 08 99.99 -99.99  25.20 
1978 09 99.99 -99.99  24.20 
1978 10 99.99 -99.99  22.10 
1978 11 99.99 -99.99  16.70 
1978 12 99.99 -99.99  15.30 
1979 01 99.99 -99.99  14.20 
1979 02 99.99 -99.99  16.00 
1979 03 99.99 -99.99  17.50 
1979 04 99.99 -99.99  18.90 
1979 05 99.99  17.00  20.60 
1979 06 99.99 -99.99  25.40 
1979 07 99.99 -99.99  26.40 
1979 08 99.99 -99.99  26.70 
1979 09 99.99 -99.99  24.80 
1979 10 99.99 -99.99  23.80 
1979 11 99.99 -99.99  18.79 
1979 12 99.99 -99.99  14.60 
1980 01 99.99 -99.99  13.50 
1980 02 99.99 -99.99  13.50 
1980 03 99.99 -99.99  15.60 
1980 04 99.99 -99.99  17.60 
1980 05 99.99 -99.99  21.40 
1980 06 99.99  19.00  23.90 
1980 07 99.99 -99.99  25.70 
1980 08 99.99 -99.99  26.20 
1980 09 99.99 -99.99  24.20 
1980 10 99.99 -99.99  23.70 
1980 11 99.99 -99.99  20.20 
1980 12 99.99 -99.99  15.20 
1981 05 99.99  16.10  20.10 
1981 06 30.40  21.00  25.70 
1981 07 31.50  22.30  26.90 
1981 08 30.80  22.10  26.45 
1981 09 29.70  20.60  25.15 
1981 10 99.99  20.20  24.00 
1981 11 99.99  13.80  17.79 
1981 12 99.99 -99.99  16.20 
1982 01 99.99 -99.99  14.80 
1982 02 99.99 -99.99  13.10 
1982 03 99.99 -99.99  15.20 
1982 04 99.99 -99.99  19.29 
1982 05 99.99 -99.99  20.39 
1982 06 99.99 -99.99  24.50 
1982 07 99.99 -99.99  26.40 
1982 08 99.99 -99.99  27.20 
1982 09 99.99 -99.99  25.30 
1982 10 99.99 -99.99  24.20 
1982 11 99.99 -99.99  18.29 
1982 12 99.99 -99.99  14.20 
1983 01 99.99 -99.99  12.30 
1983 02 99.99 -99.99  13.20 
1983 03 99.99 -99.99  15.50 
1983 04 99.99 -99.99  18.60 
1983 05 99.99 -99.99  21.50 
1983 06 99.99 -99.99  23.80 
1983 07 99.99 -99.99  26.50 
1983 08 99.99 -99.99  26.20 
1983 09 99.99 -99.99  24.60 
1983 10 99.99 -99.99  21.30 
1983 11 99.99 -99.99  20.00 
1983 12 99.99 -99.99  15.30 
1984 01 99.99 -99.99  13.40 
1984 02 99.99 -99.99  14.30 
1984 03 99.99 -99.99  16.39 
1984 04 99.99 -99.99  17.20 
1984 05 99.99 -99.99  22.70 
1984 06 99.99 -99.99  23.50 
1984 07 99.99 -99.99  26.00 
1984 08 99.99 -99.99  26.30 
1984 09 99.99 -99.99  25.60 
1984 10 99.99 -99.99  22.70 
1984 11 99.99 -99.99  18.89 
1984 12 99.99 -99.99  15.60 
1985 01 99.99 -99.99  15.10 
1985 02 99.99 -99.99  14.20 
1985 03 99.99 -99.99  16.50 
1985 04 99.99 -99.99  19.60 
1985 05 99.99 -99.99  21.90 
1985 06 99.99 -99.99  25.10 
1985 07 99.99 -99.99  25.70 
1985 08 99.99 -99.99  26.60 
1985 09 99.99 -99.99  24.20 
1985 10 99.99 -99.99  21.40 
1985 11 99.99 -99.99  20.39 
1985 12 99.99 -99.99  16.50 
1986 01 99.99 -99.99  15.10 
1986 02 99.99 -99.99  16.39 
1986 03 99.99 -99.99  17.10 
1986 04 99.99 -99.99  19.39 
1986 05 99.99 -99.99  21.10 
1986 06 99.99 -99.99  25.60 
1986 07 99.99 -99.99  27.40 
1986 08 99.99 -99.99  28.10 
1986 09 99.99 -99.99  26.60 
1986 10 99.99 -99.99  23.00 
1986 11 99.99 -99.99  18.00 
1986 12 99.99 -99.99  14.40 
1987 01 99.99 -99.99  14.20 
1987 02 99.99 -99.99  15.30 
1987 03 99.99 -99.99  13.60 
1987 04 99.99 -99.99  17.60 
1987 05 99.99 -99.99  20.50 
1987 06 99.99 -99.99  24.50 
1987 07 99.99 -99.99  26.70 
1987 08 99.99 -99.99  27.30 
1987 09 99.99 -99.99  26.00 
1987 10 99.99 -99.99  22.70 
1987 11 99.99 -99.99  19.00 
1987 12 99.99 -99.99  16.10 
1988 01 99.99 -99.99  14.70 
1988 02 99.99 -99.99  14.30 
1988 03 99.99 -99.99  16.20 
1988 04 99.99 -99.99  18.50 
1988 05 99.99 -99.99  22.40 
1988 06 99.99 -99.99  26.60 
1988 07 99.99 -99.99  27.90 
1988 08 99.99 -99.99  27.30 
1988 09 99.99 -99.99  26.20 
1988 10 99.99 -99.99  22.00 
1988 11 99.99 -99.99  17.39 
1988 12 99.99 -99.99  14.60 
1989 01 99.99 -99.99  12.80 
1989 02 99.99 -99.99  14.20 
1989 03 99.99 -99.99  16.50 
1989 04 99.99 -99.99  20.20 
1989 05 99.99 -99.99  21.60 
1989 06 99.99 -99.99  24.30 
1989 07 99.99 -99.99  26.40 
1989 08 99.99 -99.99  26.60 
1989 09 99.99 -99.99  26.30 
1989 10 99.99 -99.99  21.70 
1989 11 99.99 -99.99  19.00 
1989 12 99.99 -99.99  16.10 
1990 01 99.99 -99.99  14.30 
1990 02 99.99 -99.99  14.30 
1990 03 99.99 -99.99  16.29 
1990 04 99.99 -99.99  19.10 
1990 05 99.99 -99.99  21.40 
1990 06 99.99 -99.99  25.30 
1990 07 99.99 -99.99  26.70 
1990 08 99.99 -99.99  26.60 
1990 09 99.99 -99.99  25.50 
1990 10 99.99 -99.99  23.60 
1990 11 99.99 -99.99  21.10 
1990 12 99.99 -99.99  16.29 
1995 07 30.80  20.70  25.75 
1995 08 31.10  20.90  26.00 
1995 09 30.70  20.50  25.60 
1995 10 24.40 -99.99 -99.99 
