1971 01 99.99 -99.99 -12.30 
1971 02 99.99 -99.99 -10.60 
1971 03 99.99 -99.99  -4.00 
1971 04 99.99 -99.99   6.50 
1971 05 99.99 -99.99  13.20 
1971 06 99.99 -99.99  17.40 
1971 07 99.99 -99.99  19.60 
1971 08 99.99 -99.99  18.29 
1971 09 99.99 -99.99  11.90 
1971 10 99.99 -99.99   5.00 
1971 11 99.99 -99.99  -3.50 
1971 12 99.99 -99.99 -12.60 
1972 01 99.99 -99.99 -13.20 
1972 02 99.99 -99.99 -14.20 
1972 03 99.99 -99.99   -.80 
1972 04 99.99 -99.99   6.50 
1972 05 99.99 -99.99  15.40 
1972 06 99.99 -99.99  20.90 
1972 07 99.99 -99.99  20.50 
1972 08 99.99 -99.99  20.20 
1972 09 99.99 -99.99  12.00 
1972 10 99.99 -99.99   4.00 
1972 11 99.99 -99.99  -4.00 
1972 12 99.99 -99.99 -11.80 
1973 01 99.99 -99.99 -12.20 
1973 02 99.99 -99.99  -9.60 
1973 03 99.99 -99.99  -1.90 
1973 04 99.99 -99.99   7.20 
1973 05 99.99 -99.99  11.80 
1973 06 99.99 -99.99  19.00 
1973 07 99.99 -99.99  19.79 
1973 08 99.99 -99.99  18.50 
1973 09 99.99 -99.99  13.20 
1973 10 99.99 -99.99   3.20 
1973 11 99.99 -99.99  -3.40 
1973 12 99.99 -99.99 -10.50 
1974 01 99.99 -99.99 -13.40 
1974 02 99.99 -99.99 -12.00 
1974 03 99.99 -99.99  -5.80 
1974 04 99.99 -99.99   7.20 
1974 05 99.99 -99.99  14.50 
1974 06 99.99 -99.99  18.50 
1974 07 99.99 -99.99  20.90 
1974 08 99.99 -99.99  18.20 
1974 09 99.99 -99.99  11.30 
1975 01 99.99 -99.99 -11.60 
1975 02 99.99 -99.99  -8.60 
1975 03 99.99 -99.99  -1.80 
1975 04 99.99 -99.99   3.60 
1975 05 99.99 -99.99  10.90 
1975 06 99.99 -99.99  18.70 
1975 07 99.99 -99.99  19.29 
1975 08 99.99 -99.99  20.10 
1975 09 99.99 -99.99  14.00 
1975 10 99.99 -99.99   5.20 
1975 11 99.99 -99.99  -4.80 
1975 12 99.99 -99.99 -14.10 
1976 01 99.99 -99.99 -12.60 
1976 02 99.99 -99.99  -6.60 
1976 03 99.99 -99.99  -5.70 
1976 04 99.99 -99.99   4.30 
1976 05 99.99 -99.99  12.60 
1976 06 99.99 -99.99  17.70 
1976 07 99.99 -99.99  18.90 
1976 08 99.99 -99.99  17.29 
1976 09 99.99 -99.99  12.70 
1976 10 99.99 -99.99   5.30 
1976 11 99.99 -99.99  -8.10 
1976 12 99.99 -99.99 -12.70 
1977 01 99.99 -99.99 -18.40 
1977 02 99.99 -99.99  -9.60 
1977 03 99.99 -99.99  -2.20 
1977 04 99.99 -99.99   4.90 
1977 05 99.99 -99.99  10.80 
1977 06 99.99 -99.99  17.70 
1977 07 99.99 -99.99  19.50 
1977 08 99.99 -99.99  20.29 
1977 09 99.99 -99.99  13.80 
1977 10 99.99 -99.99   6.00 
1977 11 99.99 -99.99  -4.50 
1977 12 99.99 -99.99  -8.80 
1978 01 99.99 -99.99 -12.10 
1978 02 99.99 -99.99 -10.30 
1978 03 99.99 -99.99  -3.00 
1978 04 99.99 -99.99   8.00 
1978 05 99.99 -99.99  13.60 
1978 06 99.99 -99.99  19.40 
1978 07 99.99 -99.99  20.10 
1978 08 99.99 -99.99  19.29 
1978 09 99.99 -99.99  13.90 
1978 10 99.99 -99.99   3.80 
1978 11 99.99 -99.99  -4.00 
1978 12 99.99 -99.99  -8.70 
1979 01 99.99 -99.99 -11.20 
1979 02 99.99 -99.99  -5.30 
1979 03 99.99 -99.99  -4.69 
1979 04 99.99 -99.99   4.40 
1979 05 99.99 -99.99  12.20 
1979 06 99.99 -99.99  17.90 
1979 07 99.99 -99.99  18.70 
1979 08 99.99 -99.99  18.79 
1979 09 99.99 -99.99  12.20 
1979 10 99.99 -99.99   7.00 
1979 11 99.99 -99.99  -6.20 
1979 12 99.99 -99.99  -9.10 
1980 01 99.99 -99.99 -14.10 
1980 02 99.99 -99.99 -10.70 
1980 03 99.99 -99.99  -5.00 
1980 04 99.99 -99.99   4.40 
1980 05 99.99 -99.99  13.30 
1980 06 99.99 -99.99  19.29 
1980 07 99.99 -99.99  21.90 
1980 08 99.99 -99.99  18.40 
1980 09 99.99 -99.99  13.00 
1980 10 99.99 -99.99   4.19 
1980 11 99.99 -99.99  -1.30 
1980 12 99.99 -99.99 -10.20 
1981 01 99.99 -99.99 -15.10 
1981 02 99.99 -99.99 -10.40 
1981 03 99.99 -99.99   -.60 
1981 04 99.99 -99.99   7.70 
1981 05 99.99 -99.99  12.60 
1981 06 99.99 -99.99  19.50 
1981 08 99.99 -99.99  17.60 
1981 09 99.99 -99.99  13.20 
1981 10 99.99 -99.99   -.10 
1981 11 99.99 -99.99  -8.50 
1981 12 99.99 -99.99 -11.20 
1982 01 99.99 -99.99  -9.70 
1982 02 99.99 -99.99  -8.60 
1982 03 99.99 -99.99  -1.20 
1982 04 99.99 -99.99   6.30 
1982 05 99.99 -99.99  14.00 
1982 06 99.99 -99.99  18.00 
1982 07 99.99 -99.99  21.10 
1982 08 99.99 -99.99  18.70 
1982 09 99.99 -99.99  12.40 
1982 10 99.99 -99.99   7.20 
1982 11 99.99 -99.99  -4.50 
1982 12 99.99 -99.99 -10.90 
1983 01 99.99 -99.99 -12.30 
1983 02 99.99 -99.99 -10.00 
1983 03 99.99 -99.99   2.40 
1983 04 99.99 -99.99   3.60 
1983 05 99.99 -99.99  14.60 
1983 06 99.99 -99.99  18.20 
1983 07 99.99 -99.99  20.29 
1983 08 99.99 -99.99  17.79 
1983 09 99.99 -99.99  13.20 
1983 10 99.99 -99.99   5.70 
1983 11 99.99 -99.99  -2.50 
