1978 01 99.99 -99.99 -13.00 
1978 02 99.99 -99.99  -6.90 
1978 04 99.99 -99.99  10.00 
1978 05 99.99 -99.99  14.10 
1978 07 99.99 -99.99  19.90 
1978 12 99.99 -99.99 -13.50 
1979 02 99.99 -99.99  -1.80 
1979 05 99.99 -99.99   9.50 
1979 07 99.99 -99.99  19.70 
1979 09 99.99 -99.99  12.60 
1979 11 99.99 -99.99    . 0 
1980 02 99.99 -99.99  -4.50 
1980 04 99.99 -99.99  10.30 
1980 08 99.99 -99.99  16.50 
1980 11 99.99 -99.99   3.90 
1981 02 99.99 -99.99  -9.20 
1981 03 99.99 -99.99   1.60 
1981 10 99.99 -99.99   6.30 
1981 12 99.99 -99.99  -3.50 
1982 01 99.99 -99.99  -4.19 
1982 02 99.99 -99.99  -5.50 
1982 03 99.99 -99.99   -.60 
1982 04 99.99 -99.99   9.20 
1982 05 99.99 -99.99  12.80 
1982 06 99.99 -99.99  16.29 
1982 07 99.99 -99.99  18.60 
1982 08 99.99 -99.99  17.70 
1982 09 99.99 -99.99  11.30 
1982 10 99.99 -99.99   7.90 
1982 11 99.99 -99.99   2.50 
1983 04 99.99 -99.99   4.30 
1983 05 99.99 -99.99  13.70 
1983 06 99.99 -99.99  22.10 
1983 07 99.99 -99.99  25.90 
1983 08 99.99 -99.99  21.70 
1983 12 99.99 -99.99  -2.50 
1985 01 99.99 -99.99 -11.40 
1985 02 99.99 -99.99  -3.00 
1985 03 99.99 -99.99   4.90 
1985 04 99.99 -99.99   9.80 
1985 05 99.99 -99.99  13.00 
1985 06 99.99 -99.99  17.50 
1985 07 99.99 -99.99  20.10 
1985 09 99.99 -99.99  12.70 
1985 10 99.99 -99.99   7.80 
1985 11 99.99 -99.99   2.60 
1986 01 99.99 -99.99  -6.80 
1986 02 99.99 -99.99  -7.40 
1986 03 99.99 -99.99    .30 
1987 02 99.99 -99.99  -3.20 
1987 06 99.99 -99.99  16.10 
1987 07 99.99 -99.99  19.00 
1989 03 99.99 -99.99   -.20 
1989 04 99.99 -99.99   6.50 
1989 05 99.99 -99.99  10.20 
