2009 11 14.85  -3.83   5.51 
2009 12  3.96 -11.97  -4.00 
2010 01  8.03 -11.07  -1.52 
2010 02  5.19  -7.24  -1.02 
2010 03 13.88  -2.96   5.46 
2010 04 20.35   2.34  11.35 
2010 05 24.45   6.83  15.64 
2010 06 31.26  14.35  22.80 
2010 07 32.64  16.53  24.58 
2010 08 32.15  15.47  23.81 
2010 09 31.29   9.68  20.49 
2010 10 23.09   2.62  12.85 
2010 11 14.59  -6.26   4.16 
2010 12  9.29  -7.60    .84 
2011 01  6.12 -11.98  -2.92 
2011 02  8.89 -10.78   -.94 
2011 03 17.11  -2.55   7.28 
2011 04 21.45   1.48  11.46 
2011 05 24.72   5.94  15.33 
2011 06 32.41  14.19  23.30 
2011 07 34.65  16.69  25.67 
2011 08 33.89  16.59  25.24 
2011 09 27.45   8.49  17.97 
2011 10 22.25   1.02  11.63 
2011 11 14.40  -5.52   4.43 
2011 12  2.15 -14.19  -6.01 
2012 01  8.53  -7.22    .65 
2012 02  9.54  -7.64    .95 
2012 03 20.66  -1.86   9.39 
2012 04 22.51   4.10  13.30 
2012 05 26.75   7.62  17.18 
2012 06 34.84  14.84  24.84 
2012 07 34.90  16.48  25.69 
2012 08 32.96  13.57  23.26 
2012 09 28.09   8.45  18.27 
2012 10 20.12   -.43   9.84 
2012 11 17.79  -6.13   5.83 
2012 12  8.71 -10.62   -.95 
2013 01  9.08 -12.02  -1.47 
2013 02 10.07  -9.42    .32 
2013 03 15.13  -5.15   4.98 
2013 04 17.67   -.86   8.40 
2013 05 25.52   7.22  16.37 
2013 06 32.82  13.46  23.14 
2013 07 32.57  15.82  24.19 
2013 08 32.00  15.46  23.73 
2013 09 29.43  12.35  20.89 
2013 10 20.12    .27  10.19 
2013 11 13.88  -5.04   4.42 
2013 12  8.25 -11.44  -1.59 
2014 01  8.39 -11.37  -1.48 
2014 02  6.39  -8.81  -1.21 
2014 03 15.23  -4.88   5.17 
2014 04 19.92   2.24  11.08 
2014 05 25.45   6.99  16.22 
