2006 02  2.62  -4.87  -1.12 
2006 03  -.36 -10.03  -5.19 
2006 04 -3.91 -15.11  -9.51 
2006 05 -5.22 -20.08 -12.65 
2006 06 -9.47 -19.98 -14.73 
2006 07 -9.51 -22.81 -16.16 
2006 08 16.74 -30.35 -23.54 
2006 09 10.79 -23.35 -17.07 
2006 10 -1.12 -12.06  -6.59 
2006 11 -1.51 -11.31  -6.41 
2006 12  2.34  -5.61  -1.63 
2007 01  2.08  -6.51  -2.21 
2007 02   .91  -5.39  -2.24 
2007 03 -1.10 -12.31  -6.70 
2007 04 -6.13 -14.19 -10.16 
2007 05 -3.34 -13.44  -8.38 
2007 06 -5.60 -17.17 -11.38 
2007 07 10.20 -19.18 -14.69 
2007 08 10.93 -23.22 -17.07 
2007 09  -.39 -16.41  -8.39 
2007 10 -2.54 -11.44  -6.99 
2007 11 -1.46  -9.72  -5.59 
2007 12  1.23  -7.69  -3.23 
2008 01  1.51  -4.60  -1.54 
2008 02   .55  -3.81  -1.63 
2008 03 -1.95  -8.77  -5.36 
2008 04 -6.58 -13.68 -10.13 
2008 05 -4.67 -12.29  -8.48 
2008 06 -6.72 -16.39 -11.55 
2008 07 10.90 -18.52 -14.71 
2008 08 12.49 -21.76 -17.12 
2008 09 -1.67 -15.33  -8.50 
2008 10 -3.39 -10.41  -6.90 
2008 11 -1.79  -7.45  -4.62 
2008 12  1.04  -5.32  -2.14 
2009 01  2.98  -3.85   -.43 
2009 02   .12  -9.89  -4.88 
2009 03   .84  -8.63  -3.89 
2009 04 -8.49 -19.54 -14.01 
2009 05 -3.97 -14.89  -9.43 
2009 06 -8.00 -22.75 -15.37 
2009 07 -2.61 -30.34 -16.47 
2009 08 -4.86 -20.54 -12.70 
2009 09 -6.03 -20.68 -13.35 
2009 10 -2.56 -28.43 -15.49 
2009 11 -1.64 -13.95  -7.79 
2009 12  1.83  -3.87  -1.02 
2010 01  2.60  -8.55  -2.97 
2010 02  1.83  -8.67  -3.42 
2010 03   .58 -14.54  -6.97 
2010 04 -4.31 -17.58 -10.94 
2010 05 -4.01 -23.68 -13.84 
2010 06 -4.44 -14.13  -9.29 
2010 07 -6.67 -21.04 -13.85 
2010 08 -8.32 -21.41 -14.86 
2010 09 -3.41 -16.69 -10.05 
2010 10  2.49 -22.83 -10.17 
2010 11   .33  -7.05  -3.36 
2010 12  2.39 -12.78  -5.19 
2011 01  1.97  -8.06  -3.04 
2011 02   .68  -9.50  -4.41 
2011 03  1.61 -16.95  -7.67 
2011 04 -7.37 -20.81 -14.09 
2011 05 -1.42 -20.86 -11.14 
2011 06 -8.49 -19.94 -14.21 
2011 07 -8.34 -27.20 -17.77 
2011 08 -8.99 -22.94 -15.96 
2011 09 -9.74 -23.94 -16.84 
2011 10 -5.35 -15.63 -10.49 
2011 11 -1.01 -10.42  -5.71 
2011 12  3.50  -6.99  -1.74 
2012 01  2.72 -12.36  -4.81 
2012 02  1.56 -22.07 -10.25 
2012 03  2.35 -17.07  -7.35 
2012 04  -.28 -20.87 -10.57 
2012 05 -3.17 -13.99  -8.58 
2012 06 10.78 -23.11 -16.94 
2012 07 -8.18 -19.86 -14.02 
2012 08 -2.08 -27.79 -14.93 
2012 09 -3.01 -21.35 -12.18 
