1956 09 99.99  18.90 -99.99 
1956 10 21.80  14.70  18.25 
1956 11 15.60   8.20  11.90 
1957 01  8.70 -99.99 -99.99 
1957 02  8.10   2.30   5.20 
1957 04 21.90 -99.99 -99.99 
1957 05 22.80 -99.99 -99.99 
1957 07 31.90 -99.99 -99.99 
1957 09 99.99  18.20 -99.99 
1957 10 20.00 -99.99 -99.99 
1957 11 99.99  11.60 -99.99 
1957 12 11.70 -99.99 -99.99 
1958 01  7.50   3.30   5.40 
1958 02 99.99   4.10 -99.99 
1958 05 23.80 -99.99 -99.99 
1958 07 99.99  23.70 -99.99 
1958 09 26.80 -99.99 -99.99 
1958 10 19.29 -99.99 -99.99 
1959 01 99.99   2.90 -99.99 
1959 03 17.10   9.10  13.10 
1959 05 21.90  16.29  19.09 
1959 06 28.00  20.80  24.40 
1959 08 99.99  24.20 -99.99 
1959 09 29.20  18.70  23.95 
1959 10 22.60  13.30  17.95 
1959 11 14.40   9.89  12.15 
1959 12  9.20   4.69   6.95 
1960 01 10.50   1.10   5.80 
1960 02 13.30   5.40   9.35 
1960 03 18.20   9.30  13.75 
1960 04 19.50  11.50  15.50 
1960 05 24.60  16.50  20.55 
1960 06 27.10  20.60  23.85 
1960 07 32.00  23.10  27.55 
1960 08 99.99  22.90 -99.99 
1960 09 28.60  19.10  23.85 
1960 10 19.29  13.10  16.20 
1960 11 14.10   9.39  11.75 
1960 12 10.40   5.10   7.75 
1961 01  8.20   2.00   5.10 
1961 02 10.00   3.70   6.85 
1961 03 13.90   8.20  11.04 
1961 04 22.20  12.90  17.54 
1961 05 24.90  15.80  20.35 
1961 06 32.80  22.10  27.45 
1961 07 33.50  23.80  28.65 
1961 08 33.50  23.30  28.40 
1961 09 99.99  18.60 -99.99 
1961 11 15.60 -99.99 -99.99 
1961 12  9.60 -99.99 -99.99 
1962 01  8.10   1.70   4.90 
1962 02 14.50   4.30   9.39 
1962 03 16.79   6.90  11.85 
1962 04 20.40 -99.99 -99.99 
1962 05 23.00  16.50  19.75 
1962 06 28.90  21.00  24.95 
1962 07 32.90  24.30  28.60 
1962 08 31.30  22.20  26.75 
1962 09 28.90  19.70  24.30 
1962 10 20.20 -99.99 -99.99 
1962 11 14.50   9.20  11.85 
1962 12 10.90   3.90   7.39 
1963 01 11.00    . 0   5.50 
1963 02 11.80 -99.99 -99.99 
1963 03 18.10 -99.99 -99.99 
1963 05 25.80 -99.99 -99.99 
1963 06 28.40 -99.99 -99.99 
1963 07 31.00 -99.99 -99.99 
1963 08 31.30 -99.99 -99.99 
1963 09 27.70 -99.99 -99.99 
1963 10 21.10 -99.99 -99.99 
1963 11 15.50 -99.99 -99.99 
1963 12 11.20 -99.99 -99.99 
1964 01  8.00   3.40   5.70 
1964 02  7.40 -99.99 -99.99 
1964 03 16.50 -99.99 -99.99 
1964 04 24.20  17.10  20.65 
1964 05 24.40  17.60  21.00 
1964 07 33.59 -99.99 -99.99 
1964 08 99.99  23.30 -99.99 
1964 09 25.00  20.40  22.70 
1964 10 20.20  15.60  17.90 
1964 11 14.80   9.39  12.10 
1964 12  9.80   3.80   6.80 
1965 01 99.99 -99.99   7.40 
1965 02 99.99 -99.99   8.39 
1965 03 99.99 -99.99  12.20 
1965 04 99.99 -99.99  17.60 
1965 05 99.99 -99.99  22.00 
1965 06 99.99 -99.99  22.90 
1965 07 99.99 -99.99  27.60 
1965 08 99.99 -99.99  25.60 
1965 09 99.99 -99.99  21.60 
1965 10 99.99 -99.99  18.79 
1965 11 99.99 -99.99  13.20 
1965 12 99.99 -99.99   6.40 
1966 01 99.99 -99.99   6.20 
1966 02 99.99 -99.99   9.39 
1966 03 99.99 -99.99  14.40 
1966 04 99.99 -99.99  17.90 
1966 05 99.99 -99.99  21.20 
1966 06 99.99 -99.99  24.80 
1966 07 99.99 -99.99  27.80 
1966 08 99.99 -99.99  27.60 
1966 09 99.99 -99.99  22.80 
1966 10 99.99 -99.99  18.00 
1966 11 99.99 -99.99  12.00 
1966 12 99.99 -99.99   7.20 
1967 01 99.99 -99.99   5.20 
1967 02 99.99 -99.99   6.80 
1967 03 99.99 -99.99  12.40 
1967 04 99.99 -99.99  16.20 
1967 05 99.99 -99.99  22.10 
1967 06 99.99 -99.99  24.20 
1967 07 99.99 -99.99  27.20 
1967 08 99.99 -99.99  29.40 
1967 09 99.99 -99.99  23.20 
1967 10 99.99 -99.99  16.90 
1967 11 99.99 -99.99  11.80 
1967 12 99.99 -99.99   6.80 
1968 01 99.99 -99.99   6.30 
1968 02 99.99 -99.99   5.20 
1968 03 99.99 -99.99  11.80 
1968 04 99.99 -99.99  15.60 
1968 05 99.99 -99.99  20.80 
1968 06 99.99 -99.99  24.30 
1968 07 99.99 -99.99  26.70 
1968 08 99.99 -99.99  26.60 
1968 09 99.99 -99.99  22.80 
1968 10 99.99 -99.99  17.70 
1968 11 99.99 -99.99  14.10 
1968 12 99.99 -99.99   9.60 
1969 01 99.99 -99.99   5.60 
1969 02 99.99 -99.99   6.90 
1969 03 99.99 -99.99  13.30 
1969 04 99.99 -99.99  18.50 
1969 05 99.99 -99.99  23.60 
1969 06 99.99 -99.99  23.70 
1969 07 99.99 -99.99  27.60 
1969 08 99.99 -99.99  27.50 
1969 09 99.99 -99.99  24.20 
1969 10 99.99 -99.99  19.40 
1969 11 99.99 -99.99  11.00 
1969 12 99.99 -99.99   7.20 
1970 01 99.99 -99.99   5.40 
1970 02 99.99 -99.99   9.00 
1970 03 99.99 -99.99   9.20 
1970 04 99.99 -99.99  16.10 
1970 05 99.99 -99.99  22.20 
1970 06 99.99 -99.99  23.10 
1970 07 99.99 -99.99  27.60 
1970 08 99.99 -99.99  28.60 
1970 09 99.99 -99.99  22.60 
1970 10 99.99 -99.99  17.79 
1970 11 99.99 -99.99  12.30 
1970 12 99.99 -99.99   9.00 
1971 01 99.99 -99.99   6.20 
1971 02 99.99 -99.99   7.60 
1971 03 99.99 -99.99  13.70 
1971 04 99.99 -99.99  17.00 
1971 05 99.99 -99.99  21.20 
1971 06 99.99 -99.99  24.00 
1971 07 99.99 -99.99  29.40 
1971 08 99.99 -99.99  27.80 
1971 09 99.99 -99.99  21.10 
1971 10 99.99 -99.99  16.60 
1971 11 99.99 -99.99  12.40 
1971 12 99.99 -99.99   8.20 
1972 01 99.99 -99.99   7.40 
1972 02 99.99 -99.99   5.60 
1972 03 99.99 -99.99  14.00 
1972 04 99.99 -99.99  15.60 
1972 05 99.99 -99.99  21.40 
1972 06 99.99 -99.99  24.80 
1972 07 99.99 -99.99  27.80 
1972 08 99.99 -99.99  29.20 
1972 09 99.99 -99.99  20.80 
1972 10 99.99 -99.99  16.60 
1972 11 99.99 -99.99  12.60 
1972 12 99.99 -99.99   8.00 
1973 01  8.20   3.90   6.05 
1973 02 13.40   6.60  10.00 
1973 03 17.50  10.20  13.85 
1973 04 22.40  13.70  18.04 
1973 05 99.99  17.60 -99.99 
1973 06 27.30  20.40  23.84 
1973 07 99.99  22.20 -99.99 
1973 08 33.40  23.30  28.35 
1973 09 26.20  19.29  22.75 
1973 10 21.30  14.40  17.84 
1973 11 99.99   9.50 -99.99 
1973 12 11.90   5.40   8.64 
1974 01  7.30 -99.99 -99.99 
1974 02  8.00   2.90   5.45 
1974 03 14.40   7.30  10.85 
1974 04 99.99  13.40 -99.99 
1974 05 24.40  17.60  21.00 
1974 06 99.99  19.60 -99.99 
1974 07 32.30 -99.99 -99.99 
1974 08 99.99  21.60 -99.99 
1974 09 99.99  18.40 -99.99 
1974 10 99.99  14.30 -99.99 
1974 11 16.50  10.20  13.35 
1974 12  7.60   5.30   6.45 
1975 01 99.99   4.10 -99.99 
1975 02 11.20   5.80   8.50 
1975 03 99.99   9.39 -99.99 
1975 04 21.30  13.20  17.25 
1975 05 23.70  15.60  19.65 
1975 06 26.00  19.79  22.90 
1975 07 99.99  23.10 -99.99 
1975 08 99.99  22.00 -99.99 
1975 09 31.40  22.10  26.75 
1975 10 21.60  15.90  18.75 
1975 11 13.50   8.50  11.00 
1975 12  9.30   1.60   5.45 
1976 01  9.50   2.70   6.10 
1976 02 11.60   5.60   8.60 
1976 03 12.60   6.70   9.64 
1976 04 20.80  11.90  16.34 
1976 05 24.30  16.00  20.15 
1976 06 27.70  20.00  23.85 
1976 07 29.90  22.10  26.00 
1976 08 34.20  24.30  29.25 
1976 09 26.10  17.70  21.90 
1976 10 21.90  14.60  18.25 
1976 11 13.90   7.00  10.45 
1976 12  8.50   5.00   6.75 
1977 01  5.70   1.00   3.35 
1977 02 11.40   2.70   7.05 
1977 03 15.60   8.39  12.00 
1977 04 99.99  14.30 -99.99 
1977 05 99.99  15.80 -99.99 
1977 06 99.99  20.29 -99.99 
1977 07 31.20  23.80  27.50 
1977 08 32.09  22.40  27.25 
1977 09 29.20  20.10  24.65 
1977 10 21.60  14.80  18.20 
1977 11 15.30   8.00  11.65 
1977 12 11.20   6.60   8.89 
1978 01  8.20   2.09   5.14 
1978 02 10.80   3.90   7.35 
1978 03 15.80   8.30  12.05 
1978 04 22.30  12.70  17.50 
1978 05 99.99  18.20 -99.99 
1978 06 28.50  21.10  24.80 
1978 07 32.90  24.00  28.45 
1978 08 33.90  23.50  28.70 
1978 09 28.50  19.29  23.90 
1978 10 22.80  13.90  18.34 
1978 11 13.90   9.00  11.45 
1978 12 11.70   5.00   8.35 
1979 01 10.00   2.80   6.40 
1979 02 15.00   5.60  10.30 
1979 03 15.40 -99.99 -99.99 
1979 04 21.10  13.00  17.04 
1979 05 21.70  15.70  18.70 
1979 06 28.90  20.60  24.75 
1979 07 31.60  23.50  27.55 
1979 08 32.50  23.80  28.15 
1979 09 23.60  18.00  20.80 
1979 10 22.90  14.30  18.60 
1979 11 15.30   7.70  11.50 
1979 12 11.30   6.80   9.05 
1980 01  8.39   4.00   6.20 
1980 02  9.10   3.30   6.20 
1980 03 14.30   8.70  11.50 
1980 04 22.20  12.70  17.45 
1980 05 25.80  17.10  21.45 
1980 06 27.80  20.70  24.25 
1980 07 30.10  22.10  26.10 
1980 08 27.90  21.50  24.70 
1980 09 25.30  17.40  21.34 
1980 10 20.80  14.60  17.70 
1980 11 17.60  12.10  14.85 
1980 12 11.80   5.40   8.60 
1981 01  7.40   3.50   5.45 
1981 02 10.50   4.80   7.65 
1981 03 16.90   8.70  12.79 
1981 04 20.60  13.80  17.20 
1981 05 25.00  16.29  20.65 
1981 06 99.99  19.90 -99.99 
1981 07 33.20  23.30  28.25 
1981 08 32.40  24.00  28.20 
1981 09 26.50  18.70  22.60 
1981 10 16.70  12.70  14.70 
1981 11 13.50   8.60  11.05 
1981 12 99.99   4.10 -99.99 
1982 01 10.10   4.80   7.45 
1982 02  8.60   4.60   6.60 
1982 03 15.20   8.10  11.65 
1982 04 18.70  11.90  15.30 
1982 05 26.60  17.29  21.95 
1982 06 25.80  19.10  22.45 
1982 07 28.60  22.50  25.55 
1982 08 31.30  22.60  26.95 
1982 09 23.90  19.40  21.65 
1982 10 21.40  15.70  18.54 
1982 11 14.30  10.30  12.30 
1982 12  9.00   2.50   5.75 
1983 01  8.00   2.30   5.15 
1983 02 10.90   4.69   7.80 
1983 03 13.50   7.70  10.60 
1983 04 20.50  13.00  16.75 
1983 05 26.50  17.79  22.15 
1983 06 26.40  20.60  23.50 
1983 07 29.20  22.60  25.90 
1983 08 30.30  22.00  26.15 
1983 09 25.70  20.60  23.15 
1983 10 21.10  15.60  18.35 
1983 11 16.90  10.60  13.75 
1983 12 10.50   6.10   8.30 
1984 01  7.00    .70   3.85 
1984 02  8.30   2.70   5.50 
1984 03 15.50   8.70  12.10 
1984 04 21.50  13.80  17.65 
1984 05 24.20  17.70  20.95 
1984 06 28.50  21.10  24.80 
1984 07 30.80  23.40  27.09 
1984 08 32.30  22.20  27.25 
1984 09 25.70  19.40  22.55 
1984 10 20.60  14.40  17.50 
1984 11 15.70  11.00  13.35 
1984 12  8.50   4.30   6.40 
1985 01  9.00   3.50   6.25 
1985 02 10.40   5.00   7.70 
1985 03 11.40   7.00   9.20 
1985 04 22.20  12.60  17.40 
1985 05 26.60  19.10  22.85 
1985 06 27.10  20.40  23.75 
1985 07 30.90  22.70  26.80 
1985 08 33.70  23.50  28.60 
1985 09 26.20  19.79  23.00 
1985 10 22.20  15.60  18.90 
1985 11 15.00   9.60  12.30 
1985 12  9.39   3.80   6.60 
1986 01  9.89   3.70   6.80 
1986 02  9.60   5.00   7.30 
1986 03 14.70   7.30  11.00 
1986 04 20.10  13.50  16.79 
1986 05 26.50  17.60  22.05 
1986 06 28.10  21.10  24.60 
1986 07 31.10  22.70  26.90 
1986 08 31.40  21.30  26.34 
1986 09 25.20  18.40  21.80 
1986 10 19.60  13.70  16.65 
1986 11 13.70   9.80  11.75 
1986 12 10.50   5.30   7.90 
1987 01 10.80   5.30   8.05 
1987 02 13.30   7.40  10.35 
1987 03 16.29   8.70  12.50 
1987 04 20.70  12.20  16.45 
1987 05 25.90  18.00  21.95 
1987 06 27.40  20.29  23.84 
1987 07 29.10  21.90  25.50 
1987 08 31.10  22.10  26.60 
1987 09 26.80  19.20  23.00 
1987 10 22.80  15.40  19.09 
1987 11 15.70   9.50  12.60 
1987 12 10.10   4.00   7.05 
1988 01  8.80   4.60   6.70 
1988 02  9.39   4.30   6.85 
1988 03 12.10   6.30   9.20 
1988 04 21.70  12.50  17.10 
1988 05 26.90  18.60  22.75 
1988 06 29.20  20.80  25.00 
1988 07 32.50  24.50  28.50 
1988 08 31.40  22.40  26.90 
1988 09 24.50  18.70  21.60 
1988 10 19.79  14.80  17.29 
1988 11 16.60   9.89  13.25 
1988 12 10.60   6.70   8.64 
1989 01  8.30   3.40   5.85 
1989 02  8.10   3.70   5.90 
1989 03 14.40   8.50  11.45 
1989 04 18.60  13.10  15.85 
1989 05 25.10  17.60  21.35 
1989 06 26.60  20.29  23.45 
1989 07 30.30  22.50  26.40 
1989 08 31.40  22.10  26.75 
1989 09 27.00  19.70  23.35 
1989 10 20.80  14.70  17.75 
1989 11 14.30   9.89  12.10 
1989 12  9.00   5.80   7.40 
1990 01  9.30   4.60   6.95 
1990 02  9.60   5.60   7.60 
1990 03 18.00   9.89  13.95 
1990 04 20.29  13.00  16.65 
1990 05 25.00  15.90  20.45 
1990 06 28.50  20.70  24.60 
1990 07 32.20  23.20  27.70 
1990 08 35.00  23.60  29.30 
1990 09 28.60  20.40  24.50 
1990 10 19.79  13.10  16.45 
1990 11 18.20  10.50  14.35 
1990 12 11.10   5.60   8.35 
1991 01  8.60   3.70   6.15 
1991 02 10.60   6.10   8.35 
1991 03 16.70  10.00  13.35 
1991 04 99.99  12.60 -99.99 
1991 05 25.00  17.29  21.15 
1991 06 29.40  21.60  25.50 
1991 07 29.80  23.20  26.50 
1991 08 30.40  21.80  26.09 
1991 09 26.80  18.90  22.84 
1991 10 20.60  14.40  17.50 
1991 11 14.80   9.10  11.95 
1991 12 10.50   6.00   8.25 
1992 01  9.39   2.60   6.00 
1992 02 10.70   4.60   7.64 
1992 03 12.80   7.40  10.10 
1992 04 22.90  14.50  18.70 
1992 05 25.10  17.70  21.40 
1992 06 27.30  20.00  23.65 
1992 07 31.10  22.10  26.60 
1992 08 33.09  23.10  28.09 
1992 09 27.40  19.40  23.40 
1992 10 19.79  13.30  16.54 
1992 11 16.90   7.20  12.04 
1992 12 11.00   5.30   8.14 
1993 01  7.70   1.90   4.79 
1993 02 13.00   6.50   9.75 
1993 03 15.00   8.30  11.65 
1993 04 21.20  13.50  17.35 
1993 05 24.00  16.79  20.40 
1993 06 28.30  20.20  24.25 
1993 07 30.20  22.80  26.50 
1993 08 27.40  21.30  24.34 
1993 09 26.30  18.79  22.55 
1993 10 20.50  14.40  17.45 
1993 11 17.20  10.00  13.60 
1993 12  9.50   4.10   6.80 
1994 01  8.50   3.20   5.85 
1994 02 11.40   5.00   8.20 
1994 03 14.70   7.50  11.10 
1994 04 20.90  14.40  17.65 
1994 05 27.00  18.10  22.55 
1994 06 28.20  20.60  24.40 
1994 07 32.40  23.00  27.70 
1994 08 34.40  24.00  29.20 
1994 09 24.50  19.10  21.80 
1994 10 20.70  14.00  17.35 
1994 11 17.70  12.30  15.00 
1994 12 11.00   6.90   8.95 
1995 01  7.90   2.70   5.30 
1995 02 10.30   4.40   7.35 
1995 03 15.70   7.90  11.80 
1995 04 18.60  12.50  15.55 
1995 05 26.70  18.00  22.35 
1995 06 28.40  20.80  24.59 
1995 07 31.70  23.20  27.45 
1995 08 31.30  22.70  27.00 
1995 09 26.80  19.90  23.34 
1995 10 20.20  15.50  17.85 
1995 11 15.40   9.70  12.54 
1995 12  9.39   5.80   7.60 
1996 01  7.30   3.40   5.35 
1996 02 11.30   3.10   7.20 
1996 03 13.80   7.30  10.55 
1996 04 19.29  12.50  15.90 
1996 05 22.60  17.20  19.90 
1996 06 27.20  20.29  23.75 
1996 07 30.40  23.00  26.70 
1996 08 33.40  22.20  27.80 
1996 09 27.00  19.50  23.25 
1996 10 20.29  13.90  17.09 
1996 11 14.40  10.50  12.45 
1996 12  9.39   4.10   6.75 
1997 01  9.00   4.30   6.65 
1997 02 10.90   5.70   8.29 
1997 03 15.70   9.39  12.54 
1997 04 19.79  12.70  16.25 
1997 05 26.70  17.60  22.15 
1997 06 27.10  19.10  23.10 
1997 07 31.30  22.80  27.05 
1997 08 34.50  22.50  28.50 
1997 09 27.40  17.90  22.65 
1997 10 20.50  14.00  17.25 
1997 11 15.80   9.00  12.40 
1997 12  9.10   5.40   7.25 
1998 01 99.99   3.70 -99.99 
1998 02 12.00   6.00   9.00 
1998 03 14.50   7.60  11.05 
1998 04 26.50  16.20  21.35 
1998 05 25.90  18.20  22.05 
1998 06 27.70  20.70  24.20 
1998 07 31.80  24.10  27.95 
1998 08 30.60  22.90  26.75 
1998 09 28.10  19.29  23.70 
1998 10 24.00  15.20  19.60 
1998 11 18.90  10.90  14.90 
1998 12 10.80   5.30   8.05 
1999 01  9.70   3.60   6.64 
1999 02 13.90   6.20  10.04 
1999 03 15.50   8.20  11.85 
1999 04 21.30  14.40  17.84 
1999 05 24.60  17.10  20.85 
1999 06 28.10  21.40  24.75 
1999 07 30.40  22.20  26.30 
1999 08 31.30  21.20  26.25 
1999 09 29.80  20.00  24.90 
1999 10 21.30  15.00  18.15 
1999 11 15.60  11.20  13.40 
1999 12 10.20   3.30   6.75 
2000 01  7.10   4.10   5.60 
2000 02 10.00   4.10   7.05 
2000 03 16.29   9.20  12.75 
2000 04 21.60  14.00  17.79 
2000 05 27.50  18.10  22.80 
2000 06 27.80  20.90  24.34 
2000 07 31.80  23.30  27.55 
2000 08 30.30  22.60  26.45 
2000 09 25.90  18.90  22.40 
2000 10 21.20  15.70  18.45 
2000 11 15.40   8.70  12.04 
2000 12 10.50   5.60   8.05 
2001 01  9.00   5.00   7.00 
2001 02 12.30   6.40   9.35 
2001 03 19.00  10.10  14.55 
2001 04 20.80  12.70  16.75 
2001 05 26.20  17.20  21.70 
2001 06 27.70  20.20  23.95 
2001 07 34.50  23.70  29.10 
2001 08 31.60  22.20  26.90 
2001 09 28.80  20.50  24.65 
2001 10 21.20  15.90  18.54 
2001 11 17.50  10.50  14.00 
2001 12  9.70   4.50   7.10 
2002 01  9.39   3.80   6.60 
2002 02 12.60   7.20   9.89 
2002 03 18.70   9.89  14.30 
2002 04 22.70  13.90  18.29 
2002 05 23.40  16.90  20.15 
2002 06 30.20  22.30  26.25 
2002 07 33.20  23.20  28.20 
2002 08 30.90  20.80  25.84 
2002 09 28.50  18.60  23.55 
2002 10 22.90  14.00  18.45 
2002 11 17.20  10.00  13.60 
2002 12  9.89   5.90   7.89 
2003 01 10.30   3.40   6.85 
2003 02 13.10   6.80   9.95 
2003 03 15.70   7.70  11.70 
2003 04 21.40  14.00  17.70 
2003 05 24.80  17.50  21.15 
2003 06 28.50  20.50  24.50 
2003 07 31.30  23.40  27.34 
2003 08 32.00  23.50  27.75 
2003 09 28.50  19.79  24.15 
2003 10 19.79  14.40  17.09 
2003 11 15.60  10.80  13.20 
2003 12  9.20   5.20   7.20 
2004 01  9.39   3.90   6.64 
2004 02 12.80   5.70   9.25 
2004 03 17.20   9.80  13.50 
2004 04 24.90  14.80  19.85 
2004 05 25.20  17.10  21.15 
2004 06 26.80  19.40  23.09 
2004 07 32.30  22.10  27.20 
2004 08 31.40  22.90  27.15 
2004 09 26.40  19.50  22.95 
2004 10 19.60  13.40  16.50 
2004 11 15.50   9.89  12.70 
2004 12 11.00   6.30   8.64 
2005 01  7.85   2.70   5.27 
2005 02  9.45   4.40   6.92 
2005 03 14.70   8.30  11.50 
2005 04 22.17  14.50  18.33 
2005 05 23.72  18.79  21.25 
2005 06 28.32  21.98  25.15 
2005 07 30.88  24.67  27.77 
2005 08 28.17  22.15  25.16 
2005 09 28.49  21.14  24.81 
2005 10 18.35  14.19  16.27 
2005 11 14.59  10.68  12.63 
2005 12  8.76   3.94   6.35 
2006 01  8.21   4.00   6.10 
2006 02  9.08   4.89   6.98 
2006 03 14.89   8.51  11.70 
2006 04 21.59  14.00  17.79 
2006 05 26.11  18.75  22.43 
2006 06 28.26  22.10  25.18 
2006 07 33.40  25.80  29.60 
2006 08 34.23  25.77  30.00 
2006 09 27.37  20.59  23.98 
2006 10 22.65  16.82  19.73 
2006 11 17.06  11.19  14.12 
2006 12  9.64   5.52   7.58 
2007 01  9.04   3.58   6.31 
2007 02 13.83   7.81  10.82 
2007 03 16.26  10.09  13.17 
2007 04 20.55  13.42  16.98 
2007 05 26.89  19.71  23.30 
2007 06 26.33  20.99  23.66 
2007 07 29.09  23.96  26.52 
2007 08 33.32  24.59  28.95 
2007 09 27.26  19.62  23.44 
2007 10 21.56  16.17  18.86 
2007 11 16.79   9.52  13.15 
2007 12 10.59   6.24   8.41 
2008 01  6.12   2.31   4.21 
2008 02  9.45   3.09   6.27 
2008 03 17.86  10.14  14.00 
2008 04 21.46  14.85  18.15 
2008 05 26.45  19.67  23.06 
2008 06 29.12  21.56  25.34 
2008 07 31.09  24.29  27.69 
2008 08 28.49  22.86  25.67 
2008 09 27.54  21.31  24.42 
2008 10 20.79  16.18  18.48 
2008 11 15.92   9.58  12.75 
2008 12 10.29   4.71   7.50 
2009 01  8.74   3.37   6.05 
2009 02 13.18   8.88  11.03 
2009 03 16.56   9.42  12.99 
2009 04 20.51  14.60  17.55 
2009 05 23.39  18.50  20.94 
2009 06 28.76  22.00  25.38 
2009 07 31.69  24.70  28.19 
2009 08 32.18  24.04  28.11 
2009 09 29.39  21.61  25.50 
2009 10 20.99  15.68  18.33 
2009 11 13.79   7.73  10.76 
2009 12  9.92   4.79   7.35 
2010 01  9.89   3.52   6.71 
2010 02 11.60   4.60   8.10 
2010 03 15.49   8.37  11.93 
2010 04 18.82  11.90  15.36 
2010 05 23.15  17.73  20.43 
2010 06 26.25  20.25  23.25 
2010 07 31.33  25.02  28.17 
2010 08 31.41  23.87  27.64 
2010 09 26.64  20.99  23.81 
2010 10 21.19  14.16  17.67 
2010 11 17.01   9.60  13.30 
2010 12  9.35   3.05   6.20 
2011 01  5.01    .30   2.65 
2011 02 12.14   5.26   8.70 
2011 03 14.10   7.97  11.03 
2011 04 22.22  14.75  18.48 
2011 05 26.10  18.81  22.45 
2011 06 27.95  22.09  25.02 
2011 07 31.64  23.83  27.73 
2011 08 33.43  24.52  28.98 
2011 09 26.15  20.44  23.29 
2011 10 20.08  14.73  17.40 
2011 11 17.36  12.77  15.06 
2011 12  8.60   4.09   6.34 
2012 01  7.30   3.66   5.48 
2012 02  7.93   4.64   6.28 
2012 03 15.42   8.18  11.80 
2012 04 21.21  14.49  17.84 
2012 05 23.88  18.95  21.41 
2012 06 27.44  21.32  24.38 
2012 07 30.79  24.56  27.67 
2012 08 33.00  24.58  28.79 
2012 09 24.99  18.86  21.92 
2012 10 19.85  14.76  17.30 
2012 11 14.18   9.30  11.74 
2012 12  8.60   3.87   6.23 
2013 01  9.14   2.07   5.60 
2013 02 12.34   6.73   9.53 
2013 03 19.39  10.93  15.16 
2013 04 22.71  14.34  18.52 
2013 05 25.19  18.42  21.80 
2013 06 30.59  23.12  26.85 
2013 07 33.14  26.36  29.75 
2013 08 33.22  25.12  29.17 
2013 09 25.55  19.00  22.27 
2013 10 22.22  14.62  18.42 
2013 11 15.24  10.18  12.71 
2013 12 10.75   4.10   7.42 
