2011 11  7.84  -2.45   2.69 
2011 12   .-8 -10.01  -5.04 
2012 01 -3.95 -16.79 -10.37 
2012 02 -2.28 -14.20  -8.24 
2012 03  7.52  -6.35    .58 
2012 04  9.24  -2.18   3.52 
2012 05 19.01   5.79  12.40 
2012 06 21.25   9.13  15.19 
2012 07 24.41  10.38  17.39 
2012 08 24.69  11.09  17.89 
2012 09 18.53   4.32  11.42 
2012 10 13.20   1.79   7.49 
2012 11  3.63  -8.04  -2.20 
2012 12 -1.65 -10.01  -5.83 
2013 01 -5.41 -17.54 -11.48 
2013 02 -4.26 -14.23  -9.24 
2013 03   .54  -9.52  -4.49 
2013 04  8.20  -4.44   1.87 
2013 05 18.23   3.27  10.75 
2013 06 20.58   8.42  14.50 
2013 07 24.68  12.31  18.49 
2013 08 22.45  10.12  16.28 
2013 09 18.04   5.82  11.93 
2013 11  2.76  -7.66  -2.44 
2013 12 -4.21 -14.75  -9.48 
2014 01 -6.73 -18.60 -12.66 
2014 02 -5.32 -17.26 -11.29 
2014 03 -4.04 -18.17 -11.10 
2014 04  8.92  -3.26   2.83 
