1991 01  1.83  -3.41   -.79 
1991 02   .36  -2.14   -.89 
1991 03  -.58  -4.52  -2.55 
1991 04 -3.90  -9.28  -6.59 
1991 05 -6.61 -12.25  -9.43 
1991 06 -8.41 -15.89 -12.15 
1991 07 14.87 -21.11 -17.99 
1991 08 -9.05 -16.49 -12.77 
1991 09 -5.63 -15.08 -10.35 
1991 10 -5.10 -10.63  -7.86 
1991 11 -2.25  -6.51  -4.38 
1991 12  1.04  -1.69   -.32 
1992 01  1.27  -1.47   -.10 
1992 02   .20  -2.20  -1.00 
1992 03 -1.80  -5.42  -3.61 
1992 04 -4.17  -8.54  -6.35 
1992 05 -7.63 -14.11 -10.87 
1992 06 -7.12 -14.80 -10.96 
1992 07 12.06 -19.03 -15.54 
1992 08 -9.39 -16.45 -12.92 
1992 09 -6.32 -14.96 -10.64 
1992 10 -7.62 -13.93 -10.77 
1992 11 -1.99  -5.95  -3.96 
1992 12   .60  -2.85  -1.12 
1993 01  1.85   -.69    .58 
1993 02   .35  -2.10   -.87 
1993 03  -.55  -3.44  -1.99 
1993 04 -2.79  -8.22  -5.51 
1993 05 -5.12 -11.22  -8.17 
1993 06 12.96 -18.86 -15.91 
1993 07 10.21 -18.20 -14.20 
1993 08 -5.18 -11.89  -8.53 
1993 09 -6.52 -11.78  -9.14 
1993 10 -8.62 -13.38 -11.00 
1993 11  -.90  -4.88  -2.89 
1993 12   .24  -2.48  -1.12 
1994 01   .34  -1.87   -.76 
1994 02   .24  -2.99  -1.37 
1994 03 -3.84  -9.35  -6.59 
1994 04 -5.44  -8.89  -7.16 
1994 05 12.07 -18.61 -15.34 
1994 06 12.88 -18.73 -15.80 
1994 07 10.32 -16.64 -13.48 
1994 08 16.48 -22.85 -19.66 
1994 09 10.56 -15.96 -13.26 
1994 10 -8.43 -13.00 -10.71 
1996 03  -.19  -5.68  -2.93 
1996 04 -4.23 -11.61  -7.92 
1996 05 10.75 -16.60 -13.67 
1996 06 -9.77 -19.20 -14.48 
1996 07 10.80 -21.01 -15.90 
1996 08 -8.67 -16.28 -12.47 
1996 09 10.66 -17.99 -14.32 
1996 10 -7.55 -17.45 -12.50 
1996 11  -.43  -6.16  -3.29 
1996 12  1.26  -2.70   -.72 
1997 01   .91  -1.68   -.38 
1997 02  2.04   -.30    .87 
1997 03  2.19   -.73    .73 
1997 04 -4.63  -9.06  -6.84 
1997 05 10.96 -17.98 -14.46 
1997 06 10.06 -16.93 -13.49 
1997 07 12.25 -21.13 -16.68 
1997 08 11.43 -20.10 -15.76 
1997 09 -9.82 -16.12 -12.97 
1997 10 -7.81 -12.63 -10.22 
