1973 03 99.99 -99.99  -7.00 
1973 05 99.99 -99.99   6.20 
1973 06 99.99 -99.99  13.80 
1973 08 99.99 -99.99  13.40 
1973 09 99.99 -99.99   9.20 
1973 10 99.99 -99.99  -1.00 
1973 11 99.99 -99.99  -7.10 
1973 12 99.99 -99.99 -12.80 
1974 01 99.99 -99.99 -16.00 
1974 02 99.99 -99.99 -16.79 
1974 03 99.99 -99.99 -10.50 
1974 04 99.99 -99.99   2.30 
1974 05 99.99 -99.99   9.50 
1974 06 99.99 -99.99  14.20 
1974 07 99.99 -99.99  16.40 
1974 08 99.99 -99.99  14.00 
1974 09 99.99 -99.99   6.10 
1974 10 99.99 -99.99  -2.80 
1974 11 99.99 -99.99  -8.00 
1974 12 99.99 -99.99 -18.70 
1975 01 99.99 -99.99 -14.40 
1975 02 99.99 -99.99 -13.20 
1975 03 99.99 -99.99  -6.30 
1975 04 99.99 -99.99  -2.70 
1975 05 99.99 -99.99   6.10 
1975 06 99.99 -99.99  13.50 
1975 07 99.99 -99.99  14.70 
1975 08 99.99 -99.99  16.29 
1975 09 99.99 -99.99   9.00 
1975 10 99.99 -99.99    .20 
1975 11 99.99 -99.99  -9.00 
1975 12 99.99 -99.99 -16.10 
1976 01 99.99 -99.99 -14.70 
1976 02 99.99 -99.99 -10.60 
1976 03 99.99 -99.99 -10.50 
1976 04 99.99 -99.99   -.70 
1976 05 99.99 -99.99   7.40 
1976 06 99.99 -99.99  13.50 
1976 07 99.99 -99.99  14.00 
1976 08 99.99 -99.99  11.70 
1976 09 99.99 -99.99   8.00 
1976 10 99.99 -99.99    .80 
1976 11 99.99 -99.99 -12.10 
1976 12 99.99 -99.99 -16.70 
1977 01 99.99 -99.99 -21.40 
1977 02 99.99 -99.99 -14.00 
1977 03 99.99 -99.99  -7.30 
1977 04 99.99 -99.99    . 0 
1977 05 99.99 -99.99   5.60 
1977 06 99.99 -99.99  13.40 
1977 07 99.99 -99.99  15.10 
1977 08 99.99 -99.99  15.70 
1977 09 99.99 -99.99   9.89 
1977 10 99.99 -99.99   1.80 
1977 11 99.99 -99.99  -7.30 
1977 12 99.99 -99.99 -12.10 
1978 01 99.99 -99.99 -15.30 
1978 02 99.99 -99.99 -15.10 
1978 03 99.99 -99.99  -7.50 
1978 04 99.99 -99.99   3.10 
1978 05 99.99 -99.99   8.39 
1978 06 99.99 -99.99  14.60 
1978 07 99.99 -99.99  14.60 
1978 08 99.99 -99.99  13.80 
1978 09 99.99 -99.99   9.20 
1978 10 99.99 -99.99   -.40 
1978 11 99.99 -99.99  -7.60 
1978 12 99.99 -99.99 -11.40 
1979 01 99.99 -99.99 -15.20 
1979 02 99.99 -99.99  -9.10 
1979 03 99.99 -99.99  -9.30 
1979 04 99.99 -99.99   -.80 
1979 05 99.99 -99.99   7.70 
1979 06 99.99 -99.99  14.00 
1979 07 99.99 -99.99  14.10 
1979 08 99.99 -99.99  13.80 
1979 09 99.99 -99.99   7.10 
1979 10 99.99 -99.99   2.60 
1979 11 99.99 -99.99 -10.00 
1979 12 99.99 -99.99 -11.30 
1980 01 99.99 -99.99 -17.00 
1980 02 99.99 -99.99 -14.30 
1980 03 99.99 -99.99 -10.20 
1980 04 99.99 -99.99   -.80 
1980 05 99.99 -99.99   8.70 
1980 06 99.99 -99.99  14.00 
1980 07 99.99 -99.99  16.60 
1980 08 99.99 -99.99  14.10 
1980 09 99.99 -99.99   8.70 
1980 11 99.99 -99.99  -3.50 
1980 12 99.99 -99.99 -13.00 
1981 01 99.99 -99.99 -17.40 
1981 02 99.99 -99.99 -15.00 
1981 03 99.99 -99.99  -5.20 
1981 04 99.99 -99.99   3.10 
1981 05 99.99 -99.99   8.30 
1981 06 99.99 -99.99  14.70 
1981 07 99.99 -99.99  17.20 
1981 08 99.99 -99.99  13.00 
1981 09 99.99 -99.99   8.20 
1981 10 99.99 -99.99  -4.30 
1981 11 99.99 -99.99 -11.60 
1981 12 99.99 -99.99 -13.80 
1982 01 99.99 -99.99 -12.40 
1982 02 99.99 -99.99 -12.50 
1982 03 99.99 -99.99  -6.40 
1982 04 99.99 -99.99   1.90 
1982 05 99.99 -99.99   8.70 
1982 06 99.99 -99.99  13.40 
1982 07 99.99 -99.99  15.40 
1982 08 99.99 -99.99  13.30 
1982 09 99.99 -99.99   7.90 
1982 10 99.99 -99.99   2.30 
1982 12 99.99 -99.99 -13.90 
1983 01 99.99 -99.99 -14.30 
1983 02 99.99 -99.99 -13.80 
1983 03 99.99 -99.99  -6.60 
1983 04 99.99 -99.99   3.90 
1983 05 99.99 -99.99   9.10 
1983 06 99.99 -99.99  12.70 
1983 07 99.99 -99.99  15.40 
1983 08 99.99 -99.99  13.90 
