1974 01 99.99 -99.99 -14.80 
1974 02 99.99 -99.99 -14.60 
1974 03 99.99 -99.99  -7.10 
1974 04 99.99 -99.99   5.40 
1974 05 99.99 -99.99  12.60 
1974 06 99.99 -99.99  18.00 
1974 07 99.99 -99.99  20.29 
1974 08 99.99 -99.99  20.29 
1974 09 99.99 -99.99  11.40 
1974 10 99.99 -99.99    .60 
1974 11 99.99 -99.99  -5.70 
1974 12 99.99 -99.99 -17.40 
1976 01 99.99 -99.99 -14.70 
1976 02 99.99 -99.99  -7.00 
1976 03 99.99 -99.99  -6.30 
1976 04 99.99 -99.99   2.20 
1976 05 99.99 -99.99  10.60 
1976 06 99.99 -99.99  16.79 
1976 07 99.99 -99.99  19.50 
1976 08 99.99 -99.99  17.90 
1976 09 99.99 -99.99  12.70 
1976 10 99.99 -99.99   3.90 
1976 11 99.99 -99.99 -10.00 
1976 12 99.99 -99.99 -15.30 
1977 01 99.99 -99.99 -21.20 
1977 02 99.99 -99.99 -13.80 
1977 03 99.99 -99.99  -3.40 
1977 04 99.99 -99.99   4.80 
1977 05 99.99 -99.99  11.80 
1977 06 99.99 -99.99  17.60 
1977 07 99.99 -99.99  21.00 
1977 08 99.99 -99.99  19.79 
1977 09 99.99 -99.99  13.40 
1977 10 99.99 -99.99   4.69 
1977 11 99.99 -99.99  -5.70 
1977 12 99.99 -99.99 -10.70 
1978 01 99.99 -99.99 -15.10 
1978 02 99.99 -99.99 -11.90 
1978 03 99.99 -99.99  -3.80 
1978 04 99.99 -99.99   5.50 
1978 05 99.99 -99.99  12.60 
1978 06 99.99 -99.99  19.29 
1978 07 99.99 -99.99  19.60 
1978 08 99.99 -99.99  19.00 
1978 09 99.99 -99.99  14.30 
1978 10 99.99 -99.99   3.00 
1978 11 99.99 -99.99  -4.80 
1978 12 99.99 -99.99 -11.60 
1979 01 99.99 -99.99 -14.10 
1979 02 99.99 -99.99  -8.00 
1979 03 99.99 -99.99  -4.19 
1979 04 99.99 -99.99   2.40 
1979 05 99.99 -99.99  13.10 
1979 06 99.99 -99.99  18.50 
1979 07 99.99 -99.99  20.50 
1979 08 99.99 -99.99  18.90 
1979 09 99.99 -99.99  10.80 
1979 10 99.99 -99.99   6.60 
1979 11 99.99 -99.99  -8.39 
1979 12 99.99 -99.99 -11.80 
1980 01 99.99 -99.99 -16.79 
1980 02 99.99 -99.99 -13.60 
1980 03 99.99 -99.99  -6.60 
1980 04 99.99 -99.99   1.20 
1980 05 99.99 -99.99  13.00 
1980 06 99.99 -99.99  19.90 
1980 07 99.99 -99.99  23.00 
1980 08 99.99 -99.99  19.60 
1980 09 99.99 -99.99  11.10 
1980 10 99.99 -99.99   2.60 
1980 11 99.99 -99.99  -3.30 
1980 12 99.99 -99.99 -14.70 
1981 01 99.99 -99.99 -18.00 
1981 02 99.99 -99.99 -13.00 
1981 03 99.99 -99.99  -2.09 
1981 04 99.99 -99.99   7.30 
1981 05 99.99 -99.99  12.10 
1981 06 99.99 -99.99  19.50 
1981 07 99.99 -99.99  23.80 
1981 08 99.99 -99.99  17.10 
1981 09 99.99 -99.99  12.90 
1981 10 99.99 -99.99    . 0 
1981 11 99.99 -99.99 -10.90 
1981 12 99.99 -99.99 -13.60 
1982 01 99.99 -99.99 -15.20 
1982 02 99.99 -99.99 -10.30 
1982 03 99.99 -99.99  -3.60 
1982 04 99.99 -99.99   1.80 
1982 05 99.99 -99.99  12.40 
1982 06 99.99 -99.99  18.00 
1982 07 99.99 -99.99  20.80 
1982 08 99.99 -99.99  18.50 
1982 09 99.99 -99.99  12.50 
1982 10 99.99 -99.99   7.10 
1982 11 99.99 -99.99  -6.00 
1982 12 99.99 -99.99 -13.50 
1983 01 99.99 -99.99 -15.00 
1983 02 99.99 -99.99 -14.50 
1983 03 99.99 -99.99  -3.30 
1983 04 99.99 -99.99   3.40 
1983 05 99.99 -99.99  14.30 
1983 06 99.99 -99.99  17.00 
1983 07 99.99 -99.99  20.20 
1983 08 99.99 -99.99  18.60 
1983 09 99.99 -99.99  12.20 
1983 10 99.99 -99.99   4.90 
1983 11 99.99 -99.99  -3.80 
