2004 02 23.60 -27.91 -25.75 
2004 09  1.20  -1.52   -.15 
2006 07  4.58   1.03   2.80 
2006 08  4.34    .58   2.46 
2006 09  1.92   -.52    .69 
2007 09  4.85   1.26   3.05 
2007 10 -7.62 -12.11  -9.86 
2007 11 15.65 -21.59 -18.61 
2007 12 25.80 -31.08 -28.43 
2008 08  3.97   1.12   2.54 
2008 11 10.22 -13.66 -11.94 
2009 01 17.03 -21.88 -19.45 
2009 04 13.90 -20.65 -17.27 
2009 05 -1.05  -4.98  -3.02 
2009 06  2.38   -.17   1.10 
2009 07  6.30   3.21   4.75 
2009 08  6.50   3.06   4.77 
2009 09  2.50   -.39   1.05 
2009 10 -2.11  -4.80  -3.46 
2009 11 10.81 -14.07 -12.44 
2009 12 12.87 -17.79 -15.33 
2010 01 19.28 -25.48 -22.38 
2010 03 18.85 -23.96 -21.40 
2010 07  4.84   1.11   2.97 
2010 08  4.39   1.49   2.94 
2010 09  4.82   2.69   3.75 
2010 11 -9.41 -13.59 -11.50 
2010 12 13.77 -18.65 -16.20 
2011 01 15.08 -20.79 -17.93 
2011 02 16.92 -23.60 -20.26 
2011 04 12.07 -16.20 -14.13 
2011 08  4.71   2.30   3.50 
2011 09  3.16    .61   1.88 
2011 10 -1.42  -4.17  -2.80 
2011 11 -9.93 -14.36 -12.14 
2011 12 15.96 -19.26 -17.61 
2012 01 11.87 -18.20 -15.03 
2012 02 11.19 -21.55 -16.36 
2012 03  -.82 -11.97  -6.39 
2012 04  2.80  -7.16  -2.17 
2012 05  9.88    .96   5.42 
2012 06 13.46   6.40   9.93 
2012 07 16.23   7.95  12.09 
2012 08 16.12   5.72  10.92 
2012 09  9.92   5.25   7.58 
2012 10  2.51   -.46   1.02 
2012 11  -.84  -4.66  -2.75 
2012 12 11.31 -16.29 -13.80 
2013 01 -6.63 -11.59  -9.11 
2013 02 -5.39 -14.22  -9.80 
2013 03 -6.46 -15.97 -11.21 
2013 04  3.07  -3.95   -.44 
2013 05 11.84   3.52   7.68 
2013 06 17.45  10.20  13.82 
2013 07 17.78  10.49  14.13 
2013 08 17.79   8.70  13.25 
2013 12 -6.07 -12.04  -9.05 
