1974 01 99.99 -99.99 -21.80 
1974 02 99.99 -99.99 -19.90 
1974 03 99.99 -99.99  -4.80 
1974 04 99.99 -99.99   8.80 
1974 05 99.99 -99.99  15.80 
1974 06 99.99 -99.99  21.00 
1974 07 99.99 -99.99  22.60 
1974 08 99.99 -99.99  20.90 
1974 09 99.99 -99.99  11.30 
1974 10 99.99 -99.99   1.70 
1974 11 99.99 -99.99  -6.40 
1974 12 99.99 -99.99 -24.30 
1975 01 99.99 -99.99 -22.30 
1975 02 99.99 -99.99 -17.50 
1975 03 99.99 -99.99  -1.30 
1975 04 99.99 -99.99   4.00 
1975 05 99.99 -99.99  12.40 
1975 06 99.99 -99.99  19.90 
1975 07 99.99 -99.99  21.80 
1975 08 99.99 -99.99  21.60 
1975 09 99.99 -99.99  13.90 
1975 10 99.99 -99.99   4.50 
1975 11 99.99 -99.99  -7.00 
1975 12 99.99 -99.99 -22.80 
1976 01 99.99 -99.99 -22.80 
1976 02 99.99 -99.99 -12.50 
1976 03 99.99 -99.99  -5.40 
1976 04 99.99 -99.99   5.80 
1976 05 99.99 -99.99  14.00 
1976 06 99.99 -99.99  20.90 
1976 07 99.99 -99.99  20.80 
1976 08 99.99 -99.99  18.00 
1976 09 99.99 -99.99  13.80 
1976 10 99.99 -99.99   5.70 
1976 11 99.99 -99.99 -11.10 
1976 12 99.99 -99.99 -20.90 
1977 01 99.99 -99.99 -29.10 
1977 02 99.99 -99.99 -18.00 
1977 03 99.99 -99.99  -2.80 
1977 04 99.99 -99.99   5.60 
1977 05 99.99 -99.99  12.40 
1977 06 99.99 -99.99  21.00 
1977 07 99.99 -99.99  21.00 
1977 08 99.99 -99.99  22.10 
1977 09 99.99 -99.99  16.60 
1977 10 99.99 -99.99   6.20 
1977 11 99.99 -99.99 -12.30 
1977 12 99.99 -99.99 -23.00 
1978 01 99.99 -99.99 -28.80 
1978 02 99.99 -99.99 -26.00 
1978 03 99.99 -99.99  -5.10 
1978 04 99.99 -99.99   9.80 
1978 05 99.99 -99.99  14.10 
1978 06 99.99 -99.99  21.40 
1978 07 99.99 -99.99  22.20 
1978 08 99.99 -99.99  19.00 
1978 09 99.99 -99.99  14.60 
1978 10 99.99 -99.99   3.40 
1978 11 99.99 -99.99  -6.90 
1978 12 99.99 -99.99 -13.50 
1979 01 99.99 -99.99 -16.20 
1979 02 99.99 -99.99  -6.80 
1979 03 99.99 -99.99  -2.70 
1979 04 99.99 -99.99   5.60 
1979 05 99.99 -99.99  14.60 
1979 06 99.99 -99.99  21.60 
1979 07 99.99 -99.99  21.60 
1979 09 99.99 -99.99  13.00 
1979 10 99.99 -99.99   7.70 
1979 11 99.99 -99.99 -10.50 
1979 12 99.99 -99.99 -22.50 
1980 01 99.99 -99.99 -27.30 
1980 02 99.99 -99.99 -23.50 
1980 03 99.99 -99.99 -10.80 
1980 04 99.99 -99.99   4.80 
1980 05 99.99 -99.99  15.50 
1980 06 99.99 -99.99  20.10 
1980 07 99.99 -99.99  22.20 
1980 08 99.99 -99.99  21.40 
1980 09 99.99 -99.99  15.30 
1980 10 99.99 -99.99   3.30 
1980 12 99.99 -99.99 -18.60 
1981 01 99.99 -99.99 -28.20 
1981 02 99.99 -99.99 -24.60 
1981 03 99.99 -99.99  -3.90 
1981 04 99.99 -99.99   9.20 
1981 05 99.99 -99.99  15.30 
1981 06 99.99 -99.99  21.70 
1981 07 99.99 -99.99  22.90 
1981 08 99.99 -99.99  18.50 
1981 09 99.99 -99.99  14.10 
1981 10 99.99 -99.99  -1.10 
1981 11 99.99 -99.99 -14.60 
1981 12 99.99 -99.99 -25.70 
1982 01 99.99 -99.99 -22.80 
1982 02 99.99 -99.99 -20.20 
1982 03 99.99 -99.99  -4.80 
1982 04 99.99 -99.99   8.60 
1982 05 99.99 -99.99  15.80 
1982 06 99.99 -99.99  20.40 
1982 07 99.99 -99.99  21.10 
1982 08 99.99 -99.99  20.00 
1982 09 99.99 -99.99  14.30 
1982 10 99.99 -99.99   7.90 
1982 11 99.99 -99.99  -8.80 
1982 12 99.99 -99.99 -21.20 
1983 01 99.99 -99.99 -27.30 
1983 02 99.99 -99.99 -23.20 
1983 03 99.99 -99.99 -11.50 
1983 05 99.99 -99.99  14.40 
1983 06 99.99 -99.99  20.40 
1983 07 99.99 -99.99  20.40 
1983 08 99.99 -99.99  19.40 
