1997 12 -5.61 -15.62 -10.61 
1998 01 -5.03 -12.24  -8.63 
1998 02  1.17  -7.18  -3.00 
1998 03  4.46  -7.18  -1.35 
1998 04  8.57  -1.04   3.75 
1998 05 11.95   1.80   6.87 
1998 06 18.45   6.91  12.68 
1998 07 19.48   9.03  14.25 
1998 08 15.65   7.12  11.38 
1998 09 12.42   3.80   8.10 
1998 10  4.81  -2.34   1.23 
1998 11 -2.75  -9.87  -6.31 
1998 12 -6.53 -14.99 -10.76 
1999 01 -8.07 -16.11 -12.09 
1999 02 -9.03 -20.64 -14.83 
1999 03  1.89  -8.57  -3.34 
1999 04  7.18  -3.79   1.69 
1999 05 15.05    .62   7.83 
1999 06 21.72   7.35  14.53 
1999 07 20.85  10.22  15.54 
1999 08 18.52   8.83  13.67 
1999 09 13.26   3.83   8.54 
1999 10  3.45  -3.97   -.26 
1999 11 -4.04 -11.44  -7.74 
1999 12 -8.68 -17.67 -13.18 
2000 01 -7.20 -15.27 -11.23 
2000 02   .28  -7.72  -3.71 
2000 03  3.03  -5.81  -1.39 
2000 04  8.45  -2.43   3.00 
2000 05 13.64    .67   7.15 
2000 06 20.84   6.68  13.76 
2000 07 18.64   9.08  13.86 
2000 08 17.49   6.06  11.77 
2000 09 12.11   2.36   7.24 
2000 11  -.50  -5.51  -3.00 
2000 12 -2.34  -9.10  -5.72 
2001 01  -.60  -6.65  -3.62 
2001 02 -1.10  -9.96  -5.53 
2001 03  1.73  -5.52  -1.89 
2001 04  7.50  -3.02   2.24 
2001 05 12.79    .19   6.49 
2001 06 23.07   7.43  15.25 
2001 07 18.73  10.16  14.44 
2001 08 19.36   9.54  14.45 
2001 09 15.41   2.93   9.17 
2001 10  1.62  -6.32  -2.35 
2001 11 -3.30 -10.55  -6.92 
2001 12 -8.62 -17.96 -13.29 
2002 01 -3.24  -9.35  -6.29 
2002 02 -2.38 -10.04  -6.21 
2002 03   .86 -11.89  -5.51 
2002 04  4.87  -6.01   -.57 
2002 05 16.60   1.81   9.20 
2002 06 19.99   5.71  12.85 
2002 07 22.52   8.74  15.63 
2002 08 18.41   6.85  12.63 
2002 09 12.55   3.82   8.18 
2002 10  5.92   -.66   2.63 
2002 11  2.36  -2.21    . 7 
2002 12 -3.01  -9.33  -6.17 
2003 01 -2.56 -10.28  -6.42 
2003 02  -.84  -5.00  -2.92 
2003 03   .46  -9.24  -4.39 
2003 04  8.62  -4.42   2.09 
2003 05 14.79    .80   7.79 
2003 06 19.81   5.64  12.72 
2003 07 22.54   9.24  15.89 
2003 08 18.62   7.53  13.08 
2003 09 13.30   1.80   7.55 
2003 10  7.31   -.19   3.56 
2003 11 -5.17 -11.78  -8.47 
2003 12 -5.59 -14.61 -10.10 
2004 01 -8.25 -17.24 -12.74 
2004 02   .79  -6.86  -3.03 
2004 03   .50  -9.42  -4.46 
2004 04  9.18  -1.56   3.81 
2004 05 17.08   3.66  10.37 
2004 06 23.04   8.37  15.70 
2004 07 23.83  10.38  17.10 
2004 08 24.25   9.80  17.02 
2004 09 10.65   -.37   5.14 
2004 10  4.92   -.93   1.99 
2004 12 -3.95 -10.94  -7.44 
2005 01 -5.37 -11.72  -8.54 
2005 02 -3.27 -11.94  -7.60 
2005 03  3.69  -5.26   -.78 
2005 04  9.52  -2.14   3.69 
2005 05 17.29   3.23  10.26 
2005 06 22.93   8.09  15.51 
2005 08 20.42   8.76  14.59 
2005 09 12.66   4.92   8.79 
2005 10  5.25  -3.82    .71 
2005 11 -6.93 -14.90 -10.91 
2005 12 -1.68  -8.45  -5.06 
2006 01 -8.12 -19.93 -14.02 
2006 02 -2.77 -13.23  -8.00 
2006 03   .36 -10.98  -5.31 
2006 04  7.00  -3.78   1.61 
2006 05 16.95   1.65   9.30 
2006 06 19.57   6.02  12.79 
2006 07 22.08   9.04  15.56 
2006 08 16.54   7.05  11.79 
2006 09 14.11   3.29   8.70 
2006 10  5.16  -1.97   1.59 
2006 11 -5.88 -15.65 -10.76 
2006 12 -2.51 -10.30  -6.40 
2007 01 -5.62 -14.93 -10.27 
2007 02 -3.79 -14.26  -9.02 
2007 03 -3.72 -16.59 -10.15 
2007 04 10.91  -3.13   3.89 
2007 05 15.88   1.55   8.71 
2007 06 22.61   6.09  14.35 
2007 07 21.16   8.81  14.98 
2007 08 20.70   8.52  14.61 
2007 09 13.04   4.40   8.72 
2007 10  4.07  -3.48    .29 
2007 11  1.07  -3.70  -1.31 
2007 12 -3.93 -12.02  -7.97 
2008 01 -7.44 -15.84 -11.64 
2008 02 -3.14 -12.77  -7.95 
2008 03  3.04  -6.45  -1.70 
2008 04  6.42  -5.19    .61 
2008 06 18.73   5.98  12.35 
