1979 01 99.99 -99.99 -10.50 
1979 02 99.99 -99.99  -3.80 
1979 03 99.99 -99.99   -.40 
1979 04 99.99 -99.99   6.20 
1979 05 99.99 -99.99  16.20 
1979 06 99.99 -99.99  21.00 
1979 07 99.99 -99.99  22.70 
1979 08 99.99 -99.99  22.00 
1979 09 99.99 -99.99  14.10 
1979 10 99.99 -99.99  10.60 
1979 11 99.99 -99.99  -4.19 
1979 12 99.99 -99.99  -7.50 
1980 01 99.99 -99.99 -12.50 
1980 02 99.99 -99.99  -9.60 
1980 03 99.99 -99.99  -3.50 
1980 04 99.99 -99.99   5.00 
1980 05 99.99 -99.99  16.70 
1980 06 99.99 -99.99  23.50 
1980 07 99.99 -99.99  25.60 
1980 08 99.99 -99.99  21.60 
1980 09 99.99 -99.99  14.50 
1980 10 99.99 -99.99   6.00 
1980 11 99.99 -99.99   1.30 
1980 12 99.99 -99.99 -10.40 
1981 01 99.99 -99.99 -14.40 
1981 02 99.99 -99.99  -8.50 
1981 03 99.99 -99.99   2.00 
1981 04 99.99 -99.99  10.50 
1981 05 99.99 -99.99  15.20 
1981 06 99.99 -99.99  22.60 
1981 07 99.99 -99.99  26.30 
1981 08 99.99 -99.99  19.90 
1981 09 99.99 -99.99  16.40 
1981 10 99.99 -99.99   3.90 
1981 11 99.99 -99.99  -6.00 
1981 12 99.99 -99.99  -9.50 
1982 01 99.99 -99.99 -10.70 
1982 02 99.99 -99.99  -6.80 
1982 03 99.99 -99.99    .80 
1982 04 99.99 -99.99   9.60 
1982 05 99.99 -99.99  16.00 
1982 06 99.99 -99.99  21.00 
1982 07 99.99 -99.99  24.10 
1982 08 99.99 -99.99  21.80 
1982 09 99.99 -99.99  16.20 
1982 10 99.99 -99.99  10.60 
1982 11 99.99 -99.99  -1.80 
1982 12 99.99 -99.99  -9.20 
1983 01 99.99 -99.99 -10.30 
1983 02 99.99 -99.99 -10.20 
1983 03 99.99 -99.99   3.60 
1983 04 99.99 -99.99   6.80 
1983 05 99.99 -99.99  17.70 
1983 06 99.99 -99.99  20.80 
1983 07 99.99 -99.99  24.10 
1983 08 99.99 -99.99  20.90 
1983 09 99.99 -99.99  15.80 
1983 10 99.99 -99.99   8.20 
1983 11 99.99 -99.99    .10 
