2007 02 -7.62 -18.50 -13.06 
2007 03  4.81  -5.19   -.19 
2007 04 10.39    .-2   5.18 
2007 05 21.50   9.14  15.32 
2007 06 25.48  15.21  20.34 
2007 07 28.68  17.59  23.13 
2007 08 25.43  15.07  20.25 
2007 09 22.35  10.54  16.44 
2007 10 14.90   5.13  10.01 
2007 11  4.14  -5.54   -.70 
2007 12 -6.97 -16.44 -11.70 
2008 01 -8.28 -19.60 -13.94 
2008 02 -7.31 -18.04 -12.67 
2008 03   .74 -10.50  -4.88 
2008 04 10.14   -.95   4.60 
2008 05 18.24   5.90  12.07 
2008 06 23.48  12.43  17.95 
2008 07 27.71  16.23  21.97 
2008 08 27.58  15.55  21.56 
2008 09 22.24  10.35  16.29 
2008 10 13.59   3.35   8.47 
2008 11  4.23  -4.36    .-6 
2008 12 -7.74 -19.45 -13.60 
2009 01 11.07 -23.79 -17.43 
2009 02 -4.51 -16.45 -10.48 
2009 03   .39  -9.39  -4.50 
2009 04 10.62   -.86   4.88 
2009 05 19.16   6.21  12.68 
2009 06 23.03  12.55  17.79 
2009 07 24.90  13.69  19.29 
2009 08 24.43  13.82  19.12 
2009 09 23.80  12.81  18.30 
2009 10  7.67    .90   4.28 
2009 11  8.52   -.74   3.89 
2009 12 -6.94 -14.49 -10.71 
2010 01 -8.26 -16.95 -12.60 
2010 02 -5.35 -16.07 -10.71 
2010 03  6.55  -3.45   1.55 
2010 04 17.62   4.69  11.16 
2010 05 19.10   8.83  13.96 
2010 06 24.49  14.00  19.24 
2010 07 27.69  16.84  22.26 
2010 08 27.63  16.58  22.10 
2010 09 19.18   8.42  13.80 
