2011 01 -2.15 -10.58  -6.36 
2011 02  1.95  -7.66  -2.85 
2011 03  6.15  -4.30    .92 
2011 04 13.57   3.75   8.66 
2011 05 20.24  10.13  15.18 
2011 06 24.80  13.87  19.33 
2011 07 28.93  16.96  22.95 
2011 08 25.11  14.78  19.94 
2011 09 21.47  13.35  17.41 
2011 10 14.77   5.25  10.01 
2011 11 11.56   1.81   6.68 
2011 12  4.84  -3.65    .59 
2012 01  2.33  -6.78  -2.22 
2012 02  4.64  -4.41    .11 
2012 03 13.46   1.35   7.40 
2012 04 14.15   1.69   7.92 
2012 05 22.15  11.27  16.70 
2012 06 23.66  12.66  18.16 
2012 07 28.49  16.96  22.73 
2012 08 26.02  15.22  20.62 
2012 09 21.49  10.39  15.94 
2012 10 15.19   6.19  10.69 
2012 11  6.83  -1.89   2.47 
2012 12  4.37  -2.52    .92 
2013 01  1.02  -6.88  -2.93 
2013 02  -.18  -8.03  -4.10 
2013 03  4.32  -4.13    . 9 
2013 04 13.94   2.04   7.99 
2013 05 19.95   7.85  13.90 
2013 06 24.49  13.86  19.17 
2013 07 27.53  17.37  22.45 
2013 08 24.55  13.76  19.15 
2013 09 21.90   9.07  15.48 
2013 10 17.04   5.95  11.50 
2013 11  6.93  -2.46   2.23 
2013 12  2.61  -5.53  -1.46 
2014 01 -2.90 -13.06  -7.98 
2014 02  -.61 -10.59  -5.60 
2014 03  2.98  -7.66  -2.33 
2014 04 14.07   1.45   7.76 
2014 05 20.12   8.12  14.12 
