1950 08 28.50 -99.99  22.70 
1950 09 22.30 -99.99  16.60 
1950 10 17.10 -99.99  11.90 
1950 11  7.00 -99.99   2.30 
1950 12 99.99 -99.99  -3.00 
1951 01   .80 -99.99  -2.40 
1951 02   .60 -99.99  -3.00 
1951 03  7.20 -99.99   3.40 
1951 04 13.00 -99.99   8.89 
1951 05 20.20 -99.99  15.60 
1951 06 24.00 -99.99  18.60 
1951 07 28.50 -99.99  22.80 
1951 08 28.00 -99.99  22.20 
1951 09 24.30 -99.99  18.79 
1951 10 18.20 -99.99  13.20 
1951 11 10.60 -99.99   6.50 
1951 12  8.20 -99.99   4.60 
1952 01  3.80 -99.99    .70 
1952 02  6.20 -99.99   2.60 
1952 03  7.50 -99.99   3.80 
1952 04 16.40 -99.99  12.20 
1952 05 19.50 -99.99  14.70 
1952 06 26.10 -99.99  20.70 
1952 07 30.00 -99.99  24.20 
1952 08 28.60 -99.99  22.90 
1952 09 22.90 -99.99  17.10 
1952 10 17.40 -99.99  11.90 
1952 11  7.60 -99.99   3.50 
1952 12  4.30 -99.99   1.00 
1953 01  3.30 -99.99    .40 
1953 02  9.00 -99.99   5.10 
1953 03  7.30 -99.99   3.30 
1953 04 14.10 -99.99   9.70 
1953 05 20.29 -99.99  15.50 
1953 06 25.50 -99.99  20.40 
1953 07 31.00 -99.99  25.00 
1953 08 28.10 -99.99  22.20 
1953 09 23.80 -99.99  17.90 
1953 10 13.80 -99.99   8.50 
1953 11  7.30 -99.99   3.60 
1953 12  4.60 -99.99    .80 
1954 01  1.50 -99.99  -1.10 
1954 02  3.90 -99.99    .30 
1954 03   . 0 -99.99   2.70 
1954 04 15.50 -99.99  11.30 
1954 05 21.30 -99.99  16.70 
1954 06 25.00 -99.99  19.50 
1954 07 28.00 -99.99  22.40 
1954 08 26.50 -99.99  20.90 
1954 09 99.99 -99.99  17.50 
1954 10 99.99 -99.99  11.40 
1954 11 99.99 -99.99   4.00 
1954 12 99.99 -99.99   1.00 
1955 01 99.99 -99.99   1.20 
1955 02 99.99 -99.99   3.40 
1955 03 99.99 -99.99   4.80 
1955 04 99.99 -99.99   9.20 
1955 05 99.99 -99.99  14.10 
1955 06 99.99 -99.99  20.10 
1955 07 99.99 -99.99  23.80 
1955 08 99.99 -99.99  24.60 
1955 09 99.99 -99.99  18.20 
1955 10 16.20 -99.99  11.10 
1955 11 13.60 -99.99   9.50 
1955 12  7.10 -99.99   4.00 
1956 01  3.10 -99.99   -.40 
1956 02  4.00 -99.99    .60 
1956 03  8.00 -99.99   3.90 
1956 04 15.80 -99.99  11.60 
1956 05 22.60 -99.99  17.50 
1956 06 25.80 -99.99  20.10 
1956 07 32.90 -99.99  27.30 
1956 08 28.50 -99.99  23.00 
1956 09 23.60 -99.99  18.00 
1956 10 16.90 -99.99  11.60 
1956 11 13.30 -99.99   8.80 
1956 12  3.90 -99.99    .50 
1957 01  -.10 -99.99  -3.00 
1957 02  1.50 -99.99  -2.00 
1957 03  9.39 -99.99   5.30 
1957 04 11.50 -99.99   7.50 
1957 05 19.00 -99.99  14.70 
1957 06 25.30 -99.99  20.40 
1957 07 27.60 -99.99  21.70 
1957 08 27.30 -99.99  21.80 
1957 09 22.60 -99.99  17.00 
1957 10 14.80 -99.99  10.20 
1957 11  7.80 -99.99   3.80 
1957 12  4.40 -99.99   1.40 
1958 01  5.40 -99.99   2.70 
1958 02  6.20 -99.99   2.00 
1958 03 11.00 -99.99   6.90 
1958 04 15.90 -99.99  11.40 
1958 05 17.79 -99.99  13.10 
1958 06 26.80 -99.99  21.50 
1958 07 30.60 -99.99  25.00 
1958 08 27.00 -99.99  21.40 
1958 09 23.40 -99.99  18.00 
1958 10 16.50 -99.99  11.50 
1958 11  5.80 -99.99   1.60 
1958 12  6.30 -99.99   3.60 
1959 01  4.19 -99.99    .90 
1959 02  1.30 -99.99  -2.20 
1959 03  8.80 -99.99   3.90 
1959 04 17.50 -99.99  13.10 
1959 05 20.00 -99.99  15.70 
1959 06 26.60 -99.99  21.60 
1959 07 28.60 -99.99  23.20 
1959 08 29.50 -99.99  24.10 
1959 09 27.20 -99.99  21.80 
1959 10 18.00 -99.99  13.10 
1959 11  7.10 -99.99   3.30 
1959 12  2.30 -99.99   -.90 
1960 01  4.19 -99.99   1.10 
1960 02  8.60 -99.99   4.80 
1960 03  5.10 -99.99    .70 
1960 04 11.10 -99.99   7.60 
1960 05 17.10 -99.99  12.90 
1960 06 26.90 -99.99  21.80 
1960 07 28.70 -99.99  23.20 
1960 08 29.30 -99.99  23.60 
1960 09 22.60 -99.99  17.29 
1960 10 17.10 -99.99  12.20 
1960 11  7.50 -99.99   4.30 
1960 12  6.60 -99.99   2.80 
1961 01  3.70 -99.99    .70 
1961 02   .80 -99.99  -2.80 
1961 03  9.20 -99.99   4.60 
1961 04 12.70 -99.99   9.10 
1961 05 23.50 -99.99  18.50 
1961 06 26.90 -99.99  21.50 
1961 07 30.70 -99.99  25.10 
1961 08 28.30 -99.99  22.70 
1961 09 24.20 -99.99  18.60 
1961 10 14.30 -99.99   9.39 
1961 11 10.20 -99.99   5.90 
1961 12  5.40 -99.99   2.30 
1962 01  1.90 -99.99  -1.20 
1962 02  6.80 -99.99   3.30 
1962 03 12.10 -99.99   7.90 
1962 04 13.20 -99.99   9.20 
1962 05 18.70 -99.99  14.30 
1962 06 25.10 -99.99  19.70 
1962 07 30.30 -99.99  24.90 
1962 08 27.40 -99.99  22.40 
1962 09 21.10 -99.99  16.00 
1962 10 15.10 -99.99  10.50 
1962 11  5.30 -99.99   1.20 
1962 12  5.60 -99.99   2.20 
1963 01  7.50 -99.99   4.00 
1963 02  8.20 -99.99   4.40 
1963 03  9.70 -99.99   5.70 
1963 04 15.80 -99.99  11.70 
1963 05 18.50 -99.99  14.70 
1963 06 26.90 -99.99  21.90 
1963 07 28.50 -99.99  23.10 
1963 08 27.20 -99.99  21.50 
1963 09 23.10 -99.99  17.79 
1963 10 18.40 -99.99  13.60 
1963 11 10.30 -99.99   6.20 
1963 12  6.30 -99.99   2.50 
1964 01 -2.20 -99.99  -6.20 
1964 02  3.50 -99.99    .40 
1964 03 10.70 -99.99   7.00 
1964 04 12.40 -99.99   8.39 
1964 05 19.40 -99.99  14.80 
1964 06 26.10 -99.99  20.90 
1964 07 28.50 -99.99  22.90 
1964 08 28.60 -99.99  22.80 
1964 09 22.80 -99.99  17.50 
1964 10 14.00 -99.99   8.70 
1964 11 10.50 -99.99   6.20 
1964 12  1.70 -99.99  -2.00 
1965 01  3.30 -99.99    .20 
1965 02  1.70 -99.99  -1.40 
1965 03  6.70 -99.99   3.10 
1965 04 13.60 -99.99   9.70 
1965 05 21.20 -99.99  16.50 
1965 06 26.30 -99.99  21.00 
1965 07 30.00 -99.99  24.40 
1965 08 28.00 -99.99  22.60 
1965 09 21.70 -99.99  16.60 
1965 10 17.90 -99.99  13.50 
1965 11 12.30 -99.99   8.39 
1965 12  7.10 -99.99   3.40 
1966 01  9.50   2.90   6.20 
1966 02  8.10   2.09   5.10 
1966 03  7.70   1.30   4.50 
1966 04 13.60   6.20   9.89 
1966 05 20.20  11.20  15.70 
1966 06 29.30  18.40  23.84 
1966 07 29.20  18.90  24.05 
1966 08 28.00  18.29  23.15 
1966 09 22.70  14.00  18.35 
1966 10 14.00   6.20  10.10 
1966 11  8.20  -1.50   3.35 
1966 12  5.70    . 0   2.85 
1967 01  3.30  -2.50    .39 
1967 02  2.90  -3.90   -.50 
1967 03  9.10   1.30   5.20 
1967 04 12.80   6.00   9.39 
1967 05 17.90  10.00  13.95 
1967 06 25.80  15.60  20.70 
1967 07 29.20  19.00  24.10 
1967 08 28.30  18.79  23.55 
1967 09 23.00  13.90  18.45 
1967 10 14.00   6.50  10.25 
1967 11  9.20   3.30   6.25 
1967 12  5.00    .60   2.80 
1968 01  2.90  -2.09    .40 
1968 02  2.40  -2.80   -.19 
1968 03  8.20   2.09   5.14 
1968 04 12.80   6.20   9.50 
1968 05 17.29  10.10  13.70 
1968 06 26.10  16.29  21.20 
1968 07 29.50  18.50  24.00 
1968 08 28.50  18.40  23.45 
1968 09 23.90  13.70  18.79 
1968 11  9.89   3.90   6.89 
1968 12  3.20  -1.10   1.04 
1969 01 -1.10  -8.00  -4.55 
1969 02  -.80  -7.50  -4.15 
1969 03  9.60   2.20   5.90 
1969 04 13.50   5.80   9.64 
1969 05 18.10  10.00  14.05 
1969 06 25.80  15.50  20.65 
1969 07 28.20  17.90  23.05 
1969 08 27.90  17.60  22.75 
1969 09 21.90  12.20  17.04 
1969 10 16.00   7.60  11.80 
1969 11  7.70   1.10   4.40 
1969 12  7.90   2.09   5.00 
1970 01  2.90  -3.20   -.14 
1970 02  6.30    .20   3.25 
1970 03  7.40    .10   3.75 
1970 04 16.40   8.50  12.45 
1970 05 23.20  13.20  18.20 
1970 06 27.50  16.20  21.85 
1970 07 28.40  18.20  23.30 
1970 08 29.90  19.60  24.75 
1970 09 22.90  13.30  18.10 
1970 10 17.40   8.30  12.85 
1970 11 12.40   4.80   8.60 
1970 12  4.69   -.90   1.89 
1971 01   .80  -5.10  -2.14 
1971 02  4.40  -5.20   -.39 
1971 03 10.90   3.80   7.35 
1971 04 15.80   7.40  11.60 
1971 05 24.20  14.30  19.25 
1971 06 29.00  18.50  23.75 
1971 07 29.10  18.60  23.85 
1971 08 27.80  17.79  22.80 
1971 09 22.30  13.00  17.65 
1971 10 16.60   8.30  12.45 
1971 11 11.80   5.70   8.75 
1971 12  9.80   2.80   6.30 
1972 01  -.60  -6.70  -3.65 
1972 02 -4.69 -10.60  -7.65 
1972 03  5.90   -.60   2.65 
1972 04 14.60   6.70  10.65 
1972 05 18.10   9.70  13.90 
1972 06 24.50  15.20  19.85 
1972 07 26.30  16.29  21.30 
1972 08 25.10  15.70  20.40 
1972 09 22.90  13.20  18.04 
1972 10 17.50   8.39  12.95 
1972 11 12.80   5.70   9.25 
1972 12  1.00  -4.19  -1.59 
1973 01 -1.10  -7.20  -4.15 
1973 02  5.80   -.40   2.70 
1973 03  6.60    . 0   3.30 
1973 04 15.20   7.60  11.40 
1973 05 20.40  11.60  16.00 
1973 06 29.10  18.60  23.85 
1973 07 31.40  21.00  26.20 
1973 08 29.40  19.60  24.50 
1973 09 21.90  12.10  17.00 
1973 10 17.90   9.20  13.54 
1973 11 13.20   5.60   9.39 
1973 12  5.70   -.60   2.55 
1974 01  1.00  -6.80  -2.90 
1974 02 -7.00  -6.40  -6.70 
1974 05 20.10  11.80  15.95 
1974 06 28.40  17.40  22.90 
1974 07 32.59  20.70  26.65 
1974 08 30.40  19.00  24.70 
1974 10 15.80   7.50  11.65 
1974 11 11.00   4.00   7.50 
1975 02  1.90  -3.10   -.59 
1975 03  7.20   1.20   4.19 
1975 04 13.40   7.40  10.40 
1975 05 20.10  11.80  15.95 
1975 06 28.40  17.40  22.90 
1975 07 32.59  20.70  26.65 
1975 08 30.40  19.00  24.70 
1975 09 24.20  14.30  19.25 
1975 12  4.80  -1.60   1.60 
1976 01  5.70   -.40   2.65 
1976 02   .40  -5.50  -2.55 
1976 03  5.10  -1.50   1.80 
1976 04 13.90   7.10  10.50 
1976 05 20.40  12.40  16.40 
1976 06 26.40  16.70  21.55 
1976 07 31.50  21.30  26.40 
1976 10 15.50   7.20  11.35 
1976 11  7.60    .70   4.15 
1976 12  3.10  -2.09    .50 
1977 01 -2.00  -7.90  -4.94 
1977 02  4.80  -2.00   1.40 
1977 03 13.00   5.60   9.30 
1977 04 17.00   9.60  13.30 
1977 05 20.90  13.00  16.95 
1977 06 29.20  19.50  24.35 
1977 07 30.30  20.60  25.45 
1977 08 27.50  18.20  22.85 
1977 09 23.00  14.50  18.75 
1977 10 15.60   8.39  12.00 
1977 11 10.90   5.00   7.95 
1977 12  5.50    .90   3.20 
1978 01  1.20  -4.19  -1.49 
1978 02  2.70  -3.80   -.54 
1978 03  5.50  -1.30   2.09 
1978 04 16.79   9.30  13.04 
1978 05 21.60  12.30  16.95 
1978 06 26.90  17.00  21.95 
1978 07 30.60  20.29  25.45 
1978 08 28.90  19.10  24.00 
1978 09 25.20  15.00  20.10 
1978 10 17.60   9.30  13.45 
1978 11  6.90   -.70   3.10 
1978 12  8.89   3.00   5.95 
1979 01  4.10  -2.80    .65 
1979 02  5.70   -.40   2.65 
1979 03  6.40    . 0   3.20 
1979 04 15.90   8.70  12.29 
1979 05 16.79   8.80  12.79 
1979 06 25.90  16.29  21.09 
1979 07 31.90  21.00  26.45 
1979 08 27.70  18.20  22.95 
1979 09 24.20  14.60  19.40 
1979 10 19.79  11.70  15.75 
1979 11  9.60   2.50   6.05 
1979 12  6.20    .40   3.30 
1980 01  1.60  -4.90  -1.65 
1980 02   .90  -5.60  -2.34 
1980 03  7.50    .20   3.85 
1980 04 17.50  10.10  13.80 
1980 05 22.50  13.90  18.20 
1980 06 28.30  17.50  22.90 
1980 07 37.30  22.30  29.80 
1980 08 28.80  17.90  23.34 
1980 09 23.80  13.60  18.70 
1980 10 16.29   8.30  12.29 
1980 11 12.80   6.50   9.64 
1980 12  8.70   1.90   5.30 
1981 01  3.40  -1.60    .90 
1981 02  4.10  -1.90   1.09 
1981 03 10.20   3.30   6.75 
1981 04 14.80   6.40  10.60 
1981 05 20.20  12.00  16.10 
1981 06 24.50  14.10  19.29 
1981 07 28.60  17.79  23.20 
1981 08 27.00  16.40  21.70 
1981 09 23.60  13.20  18.40 
1981 10 13.90   5.60   9.75 
1981 11 11.70   3.60   7.64 
1981 12  7.20   1.00   4.10 
1982 01  4.00  -2.80    .60 
1982 02  2.00  -4.90  -1.45 
1982 03  7.00    . 0   3.50 
1982 04 17.20   8.30  12.75 
1982 05 22.10  12.40  17.25 
1982 06 26.70  16.10  21.40 
1982 07 28.70  18.10  23.40 
1982 08 27.50  17.50  22.50 
1982 09 21.10  11.30  16.20 
1982 10 15.30   7.40  11.35 
1982 11  6.10   -.10   3.00 
1982 12  3.80  -2.40    .69 
1983 01  3.60  -3.20    .19 
1983 02  5.70   -.70   2.50 
1983 03  5.80   -.80   2.50 
1983 04 14.40   6.70  10.54 
1983 05 21.70  12.60  17.15 
1983 06 27.10  16.10  21.60 
1983 07 31.60  20.00  25.80 
1983 08 30.70  19.70  25.20 
1983 09 24.10  13.90  19.00 
1983 10 16.20   7.20  11.70 
1983 11 14.00   6.20  10.10 
1983 12  4.40  -2.50    .95 
1984 01  1.20  -5.10  -1.95 
1984 02 -3.20  -9.89  -6.55 
1984 03  9.10   2.20   5.65 
1984 04 15.70   7.30  11.50 
1984 05 21.60  11.60  16.60 
1984 06 28.50  17.70  23.10 
1984 07 32.50  22.20  27.35 
1984 08 32.80  22.40  27.59 
1984 09 22.60  12.50  17.54 
1984 10 15.80   6.90  11.35 
1984 11 10.50   3.60   7.05 
1984 12  -.90  -7.70  -4.29 
1985 01  2.40  -3.10   -.34 
1985 02  7.10   -.50   3.30 
1985 03  6.30  -1.10   2.60 
1985 04 17.29   9.00  13.15 
1985 05 21.30  11.40  16.34 
1985 06 29.00  18.40  23.70 
1985 07 31.80  21.30  26.55 
1985 08 27.20  16.90  22.05 
1985 09 25.00  14.80  19.90 
1985 10 15.90   7.40  11.65 
1985 11 11.00   3.40   7.20 
1985 12  5.40   -.60   2.40 
1986 01  5.10  -1.10   2.00 
1986 02  6.00   -.90   2.55 
1986 03  4.80  -2.60   1.10 
1986 04 14.70   6.70  10.70 
1986 05 22.00  12.10  17.04 
1986 06 26.90  16.90  21.90 
1986 07 31.00  20.29  25.65 
1986 08 28.30  18.10  23.20 
1986 09 24.70  15.00  19.85 
1986 10 18.20   9.50  13.85 
1986 11  9.20   2.50   5.85 
1986 12  3.30  -2.60    .35 
1987 01  6.60    .90   3.75 
1987 02  5.90  -1.20   2.34 
1987 03 10.20   3.70   6.95 
1987 04 13.00   5.50   9.25 
1987 05 21.40  11.70  16.54 
1987 06 26.00  15.30  20.65 
1987 07 27.40  17.10  22.25 
1987 08 30.10  20.60  25.35 
1987 09 23.50  13.30  18.40 
1987 10 11.80   4.10   7.95 
1987 11 11.90   3.90   7.89 
1987 12 10.10   2.80   6.45 
1988 01  4.40  -2.20   1.10 
1988 02  4.60  -2.50   1.04 
1988 03  8.10    .90   4.50 
1988 04 17.50   8.60  13.05 
1988 05 20.40  11.00  15.70 
1988 06 28.60  17.70  23.15 
1988 07 31.00  20.10  25.55 
1988 08 27.30  16.70  22.00 
1988 09 23.40  13.20  18.29 
1988 10 16.10   6.90  11.50 
1988 11 15.10   7.20  11.15 
1988 12  8.00   1.80   4.90 
1989 01   .30  -5.90  -2.80 
1989 02  -.80  -7.30  -4.05 
1989 03  9.30   1.80   5.55 
1989 04 13.80   4.80   9.30 
1989 05 17.90   8.30  13.10 
1989 06 26.60  15.80  21.20 
1989 07 29.60  18.40  24.00 
1989 08 28.50  17.29  22.90 
1989 09 23.90  13.20  18.54 
1989 10 19.10   9.50  14.30 
1989 11 10.20   2.90   6.55 
1989 12  7.50   1.70   4.60 
1990 01  1.60  -4.19  -1.30 
1990 02  2.60  -2.90   -.15 
1990 03  7.70    .70   4.19 
1990 04 13.50   5.90   9.70 
1990 05 23.30  13.60  18.45 
1990 06 29.20  18.50  23.85 
1990 07 29.10  18.79  23.95 
1990 08 30.00  20.00  25.00 
1990 09 26.20  15.90  21.05 
1990 10 16.90   7.60  12.25 
1990 11 13.50   6.00   9.75 
1990 12  3.70  -2.09    .80 
1991 01 99.99 -99.99   -.90 
1991 02 99.99 -99.99  -1.00 
1991 03 99.99 -99.99   3.70 
1991 04 99.99 -99.99  10.40 
1991 05 99.99 -99.99  13.70 
1991 06 99.99 -99.99  20.70 
1991 07 99.99 -99.99  23.70 
1991 08 99.99 -99.99  23.40 
1991 09 99.99 -99.99  17.90 
1991 10 99.99 -99.99  11.10 
1991 11 99.99 -99.99   6.30 
1991 12 99.99 -99.99   2.20 
1992 01 99.99 -99.99   -.40 
1992 02 99.99 -99.99   1.30 
1992 03 99.99 -99.99   1.30 
1992 04 99.99 -99.99  10.30 
1992 05 99.99 -99.99  11.70 
1992 06 99.99 -99.99  20.00 
1992 07 99.99 -99.99  24.20 
1992 08 99.99 -99.99  20.90 
1992 09 99.99 -99.99  16.79 
1992 10 17.07 -99.99  11.70 
1992 11 99.99 -99.99   9.60 
1992 12 99.99 -99.99   4.60 
1993 01 99.99 -99.99  -1.80 
1993 02 99.99 -99.99   1.40 
1993 03 99.99 -99.99   2.20 
1993 04 99.99 -99.99  11.60 
1993 05 99.99 -99.99  14.10 
1993 06 99.99 -99.99  20.80 
1993 07 99.99 -99.99  23.90 
1993 08 99.99 -99.99  21.60 
1993 09 99.99 -99.99  19.20 
1993 10 99.99 -99.99   9.60 
1993 11 99.99 -99.99   4.90 
1993 12 99.99 -99.99   3.40 
1994 01 99.99 -99.99   -.30 
1994 02 99.99 -99.99  -2.40 
1994 03 99.99 -99.99   6.70 
1994 04 99.99 -99.99   8.39 
1994 05 99.99 -99.99  16.70 
1994 06 99.99 -99.99  22.60 
1994 07 99.99 -99.99  25.40 
1994 08 99.99 -99.99  25.30 
1994 09 99.99 -99.99  14.90 
1994 10 99.99 -99.99  11.00 
1994 11 14.19 -99.99  10.40 
1994 12  4.05 -99.99    .90 
1995 01 99.99 -99.99    .30 
1995 02 99.99 -99.99    .50 
1995 03  7.30 -99.99   3.70 
1995 04 99.99 -99.99  10.80 
1995 05 99.99 -99.99  16.20 
1995 06 99.99 -99.99  21.50 
1995 07 99.99 -99.99  25.50 
1995 08 99.99 -99.99  24.50 
1995 09 99.99 -99.99  17.79 
1995 10 99.99 -99.99  11.10 
1995 11 13.04 -99.99   9.10 
1995 12 99.99 -99.99   1.10 
1996 01 99.99 -99.99  -2.00 
1996 02 99.99 -99.99    .80 
1996 03 99.99 -99.99   2.70 
1996 04 99.99 -99.99   9.39 
1996 05 99.99 -99.99  15.00 
1996 06 99.99 -99.99  21.40 
1996 07 99.99 -99.99  23.90 
1996 08 99.99 -99.99  22.90 
1996 09 99.99 -99.99  20.00 
1996 10 99.99 -99.99  11.20 
1996 11 99.99 -99.99   4.10 
1996 12 99.99 -99.99   4.80 
1997 01 99.99 -99.99   1.40 
1997 02 99.99 -99.99   -.20 
1997 03 99.99 -99.99   4.00 
1997 04 15.12 -99.99  10.80 
1997 05 99.99 -99.99  14.00 
1997 06 99.99 -99.99  21.90 
1997 07 99.99 -99.99  26.00 
1997 08 99.99 -99.99  24.00 
1997 09 99.99 -99.99  19.10 
1997 10 99.99 -99.99  14.40 
1997 11 99.99 -99.99   5.40 
1997 12 99.99 -99.99   1.90 
1998 01 99.99 -99.99   -.40 
1998 02 99.99 -99.99   -.40 
1998 03 99.99 -99.99   3.90 
1998 04 99.99 -99.99  12.60 
1998 05 99.99 -99.99  14.30 
1998 06 99.99 -99.99  19.10 
1998 07 99.99 -99.99  24.20 
1998 08 99.99 -99.99  23.00 
1998 09 99.99 -99.99  19.50 
1998 10 99.99 -99.99  11.90 
1998 11 99.99 -99.99   9.30 
1998 12 99.99 -99.99   6.60 
1999 01 99.99 -99.99    .70 
1999 02 99.99 -99.99   4.80 
1999 03 99.99 -99.99   3.40 
1999 04 99.99 -99.99   9.20 
1999 05 99.99 -99.99  16.10 
1999 06 99.99 -99.99  21.50 
1999 07 99.99 -99.99  22.50 
1999 08 99.99 -99.99  25.10 
1999 09 99.99 -99.99  19.10 
1999 10 99.99 -99.99  14.00 
1999 11 99.99 -99.99   4.69 
1999 12 99.99 -99.99   5.00 
