2007 10 15.20   5.37  10.28 
2007 11  4.19  -3.97    .11 
2007 12 -2.36 -10.25  -6.31 
2008 01 -2.85 -11.08  -6.96 
2008 02 -4.71 -19.40 -12.06 
2008 03  -.39 -16.39  -8.38 
2008 04 10.10  -1.36   4.37 
2008 05 13.84   1.44   7.64 
2008 06 21.23   9.42  15.32 
2008 07 23.84  11.14  17.49 
2008 08 24.04   8.68  16.36 
2008 09 19.59   5.01  12.30 
2008 10 11.73    .82   6.27 
2008 11  4.53  -2.50   1.01 
2008 12 -3.48 -13.15  -8.31 
2009 01 -7.45 -19.09 -13.27 
2009 02 -2.87 -14.60  -8.73 
2009 03  1.26 -11.91  -5.32 
2009 04  8.68  -2.58   3.05 
2009 05 15.59   1.51   8.55 
2009 06 21.46   6.59  14.02 
2009 07 20.57   8.30  14.43 
2009 08 22.24   9.78  16.01 
2009 09 22.15   6.30  14.22 
2009 10  8.66    .42   4.54 
2009 11  8.27  -1.47   3.40 
2009 12 -2.48 -12.58  -7.53 
2010 01 -3.56 -12.67  -8.11 
2010 02 -2.32 -13.31  -7.81 
2010 03  8.46  -7.19    .63 
2010 04 13.90  -1.22   6.33 
2010 05 20.45   3.95  12.20 
2010 06 21.08   8.64  14.86 
2010 07 25.54  12.28  18.91 
2010 08 25.32  12.12  18.71 
2010 09 17.64   5.65  11.64 
2010 10 14.27    .96   7.61 
2010 11  5.60  -3.82    .89 
2010 12 -2.63 -10.35  -6.49 
2011 01 -5.84 -15.76 -10.80 
2011 02 -4.19 -14.23  -9.21 
2011 03   .19 -10.99  -5.40 
2011 04  8.20  -3.10   2.55 
2011 05 16.74   3.10   9.92 
2011 06 22.09   7.89  14.99 
2011 07 26.94  11.96  19.45 
2011 08 25.54  10.10  17.82 
2011 09 19.75   5.88  12.81 
