2008 12  1.09  -8.35  -3.63 
2009 01  3.41  -4.83   -.70 
2009 02  7.27  -3.21   2.03 
2009 03 11.49  -2.34   4.56 
2009 04 18.03   1.49   9.76 
2009 05 24.05   5.38  14.71 
2009 06 28.30  11.99  20.14 
2009 07 33.41  13.85  23.63 
2009 08 31.57  12.76  22.16 
2009 09 27.36   8.27  17.81 
2009 10 15.42   2.52   8.97 
2009 11 10.30  -1.75   4.27 
2009 12   .68  -8.22  -3.77 
2010 01  5.79   -.50   2.64 
2010 02 10.46    .22   5.34 
2010 03 14.83    . 1   7.42 
2010 04 16.98   3.32  10.14 
2010 05 20.34   5.79  13.06 
2010 06 25.90   9.22  17.56 
2010 07 31.90  12.30  22.10 
2010 08 30.07  11.33  20.70 
2010 09 25.23   9.34  17.28 
2010 10 18.51   3.84  11.17 
2010 11  8.18  -2.55   2.81 
2010 12  3.65  -3.16    .24 
2011 01  5.30  -3.76    .77 
2011 02  8.25  -5.11   1.57 
2011 03 12.06   -.28   5.89 
2011 04 15.16    . 9   7.62 
2011 06 25.36   9.14  17.25 
2011 07 28.95   8.54  18.74 
2011 10 17.12   4.17  10.64 
2011 11  9.18  -3.68   2.75 
2011 12  3.72  -6.54  -1.41 
2012 01  4.66  -6.92  -1.13 
2012 02  8.70  -2.62   3.04 
2012 03 12.28   -.68   5.80 
2012 04 18.73   3.66  11.19 
2012 05 22.61   5.92  14.26 
2012 06 24.54   9.43  16.99 
2012 07 32.34  13.61  22.97 
2012 08 32.32  12.12  22.22 
2012 09 27.71   7.75  17.73 
2012 10 17.56   3.35  10.45 
2012 11  9.08    .89   4.98 
2012 12  4.62  -3.31    .65 
2013 01  2.17  -5.15  -1.49 
2013 02 11.45  -3.35   4.05 
2013 03 14.55   -.17   7.19 
2013 04 18.53   2.64  10.58 
2013 05 23.99   7.06  15.52 
2013 06 27.04  11.12  19.08 
2013 07 34.13  13.62  23.87 
2013 08 31.36  13.67  22.51 
2013 09 26.45  10.35  18.40 
2013 10 18.56   1.05   9.80 
2013 11  9.57  -2.26   3.65 
2013 12  3.64  -8.16  -2.25 
2014 01  5.11  -3.00   1.05 
2014 02  5.08  -4.36    .35 
2014 03 14.10   -.76   6.67 
2014 04 19.12   3.14  11.13 
2014 05 24.67   6.98  15.82 
