1980 10 12.83   5.49   9.16 
1980 11  8.59   3.17   5.88 
1980 12  2.02  -4.41  -1.19 
1981 01  9.14   3.05   6.10 
1981 02  6.48    .28   3.38 
1981 03  9.38   1.28   5.33 
1981 04  8.68   1.42   5.05 
1981 05 14.53   5.85  10.18 
1981 11  7.74    .58   4.16 
1982 07 16.74   8.79  12.76 
1982 10 99.99   3.93 -99.99 
1983 02  7.81   1.69   4.75 
1983 04 12.24   1.76   7.00 
1983 07 18.42   9.99  14.20 
1983 09 15.59   7.73  11.66 
1983 10 10.95   4.41   7.68 
1983 11  7.09    .96   4.02 
1983 12   .74  -5.83  -2.54 
1984 01  5.80    .46   3.13 
1984 02  6.09   1.21   3.65 
1984 03  8.91   1.75   5.33 
1984 04 10.49   1.81   6.14 
1984 05 13.19   3.61   8.39 
1984 07 99.99   9.35 -99.99 
1985 02  3.38  -1.77    .80 
1986 05 13.00   3.63   8.31 
1986 06 16.84   6.53  11.68 
1986 09 99.99   6.02 -99.99 
1986 10 99.99   7.73 -99.99 
1986 12 99.99   1.54 -99.99 
1987 01  5.50   -.20   2.65 
1987 02 99.99   1.36 -99.99 
1987 03 99.99   -.44 -99.99 
1987 04 99.99   2.34 -99.99 
1987 10 99.99   4.40 -99.99 
1987 11 99.99   2.64 -99.99 
1988 01 99.99  -1.37 -99.99 
1988 02 99.99    .52 -99.99 
1988 05 13.83   3.87   8.85 
1988 07 16.34   7.92  12.13 
1988 08 17.46   9.82  13.64 
1988 09 15.50   6.60  11.05 
1988 10 11.95   4.69   8.32 
1988 12  5.05   -.49   2.28 
