1998 02 -7.71 -22.88 -15.29 
1998 03   .-4 -19.10  -9.57 
1998 04  6.94  -5.22    .86 
1998 05 17.65   -.85   8.39 
1998 07 99.99   4.14 -99.99 
1998 08 99.99   5.09 -99.99 
1998 09 14.61  -1.74   6.43 
1998 10  3.27 -12.67  -4.69 
1998 11 10.12 -21.99 -16.05 
1998 12 15.48 -25.91 -20.69 
1999 01 19.70 -33.37 -26.54 
1999 02 16.50 -34.32 -25.41 
1999 03 -2.67 -21.70 -12.18 
1999 04  7.04  -9.97  -1.46 
1999 05 14.84  -2.22   6.31 
1999 08 20.12   5.58  12.85 
1999 09 13.36  -1.15   6.10 
1999 10 -1.62 -11.29  -6.45 
1999 11 13.72 -22.08 -17.90 
1999 12 16.06 -26.63 -21.34 
2000 01 18.41 -25.84 -22.12 
2000 02 -3.96 -15.53  -9.74 
2000 03  -.17 -14.63  -7.40 
2004 11 -7.08 -16.54 -11.81 
2005 04  6.48  -7.13   -.32 
2005 05 18.73   3.56  11.14 
2005 06 22.51   7.35  14.93 
2005 07 22.57   7.83  15.20 
2005 08 19.87   4.48  12.17 
2005 09 11.65   1.40   6.52 
2005 11 16.95 -24.81 -20.88 
2005 12 -9.56 -19.66 -14.61 
2006 01 24.05 -33.00 -28.52 
2006 02 -8.14 -19.48 -13.81 
2006 03 -8.79 -23.21 -16.00 
2006 04  3.64 -10.02  -3.19 
2006 05 15.14    .70   7.92 
2006 06 18.82   5.29  12.05 
2006 07 19.31   8.70  14.00 
2006 08 15.79   3.84   9.81 
2006 09 14.83   1.74   8.28 
2006 10  3.66  -5.67  -1.00 
2006 11 15.50 -24.13 -19.81 
2006 12 11.46 -20.39 -15.92 
2007 01 12.78 -23.42 -18.10 
2007 02 11.53 -23.98 -17.75 
2007 03 13.90 -27.10 -20.50 
2007 04  9.77  -5.29   2.24 
2007 05 14.63   1.53   8.08 
2007 06 20.70   6.92  13.81 
2007 07 21.94   8.95  15.44 
2007 08 19.79   6.98  13.38 
2007 09 12.19    .83   6.51 
2007 10 -1.13 -11.13  -6.13 
2007 11 -5.15 -13.78  -9.46 
2007 12 13.20 -21.46 -17.33 
2008 01 16.15 -25.57 -20.86 
2008 02 13.31 -24.29 -18.80 
2008 03 -4.56 -15.65 -10.10 
2008 04  4.06  -8.39  -2.16 
2008 05 13.33    .44   6.88 
2008 06 18.78   5.91  12.34 
2008 07 18.12   7.78  12.95 
2008 08 14.41   2.58   8.49 
2008 09 11.26    .34   5.80 
2008 10 -5.16 -14.69  -9.92 
