1988 07 20.00   9.70  14.85 
1988 10 13.03   5.12   9.07 
1989 01   .12  -4.54  -2.21 
1989 02 -1.19 -10.76  -5.97 
1990 04 13.73   2.00   7.86 
1991 08 22.35  11.37  16.86 
1991 09 18.10   8.82  13.46 
1991 10  9.89   2.13   6.01 
1991 11  4.85    .90   2.87 
1991 12  4.60   1.02   2.81 
1992 01  3.48    . 8   1.78 
1992 02  3.98  -2.29    .84 
1992 03 10.53   1.44   5.98 
1992 04 12.65   2.92   7.78 
1992 05 16.11   4.71  10.41 
1992 06 21.93  10.25  16.09 
1992 07 24.26  12.13  18.19 
1992 08 23.95  10.40  17.17 
1992 09 14.47   7.12  10.79 
1992 10  9.45   2.61   6.03 
1992 11  5.77    .55   3.16 
1992 12 -1.58  -6.55  -4.06 
1993 01 -3.68 -13.39  -8.53 
1993 03  8.29  -1.71   3.29 
1993 08 23.47  11.27  17.36 
1993 09 99.99   5.67 -99.99 
1993 10 12.34   4.50   8.42 
1993 11  5.15    .27   2.71 
1993 12  3.16   -.73   1.21 
1994 01  2.94   -.77   1.08 
1994 02 -2.52  -8.14  -5.33 
1994 04 13.27   3.06   8.16 
1994 05 17.20   5.52  11.36 
1994 06 19.07   9.57  14.32 
1994 07 23.52  11.29  17.40 
1998 08 22.69  11.07  16.88 
1998 09 17.73   8.28  13.00 
1998 10 11.13   4.84   7.98 
1998 11  4.53 -99.99 -99.99 
1998 12   .13  -4.03  -1.95 
1999 01   .94  -4.13  -1.59 
1999 02  2.96  -2.80    . 8 
1999 03  6.65   -.69   2.98 
1999 04 11.42   1.80   6.61 
1999 05 13.47   4.42   8.94 
1999 06 18.27 -99.99 -99.99 
1999 07 22.28 -99.99 -99.99 
1999 08 20.71  11.84  16.27 
1999 09 16.15   7.67  11.91 
