2004 01 -12.96 -21.45 -17.20 
2004 02  -2.94 -12.72  -7.83 
2004 03   4.05  -7.00  -1.47 
2004 04  11.91   -.98   5.46 
2004 05  15.73   2.19   8.96 
2004 06  19.96   6.76  13.36 
2004 07  22.91  11.44  17.17 
2004 08  21.03   8.55  14.79 
2004 09  15.93   4.29  10.11 
2004 10   7.79  -3.45   2.17 
2004 11   3.74  -5.92  -1.09 
2004 12  -4.54 -15.27  -9.90 
2005 01 -10.49 -20.57 -15.53 
2005 02  -3.37 -13.94  -8.65 
2005 03   1.37  -7.98  -3.30 
2005 04  12.85   0.50   6.67 
2005 05  17.32   3.53  10.42 
2005 06  18.85   9.14  14.00 
2005 07  24.15  10.28  17.21 
2005 08  21.03   8.02  14.52 
2005 09  16.60   4.56  10.58 
2005 10  11.58   -.88   5.35 
2005 11   3.03  -5.88  -1.42 
2005 12  -2.96 -12.25  -7.60 
2006 01  -1.75 -10.28  -6.01 
2006 02  -3.53 -14.32  -8.92 
2006 03  -2.25 -10.52  -6.38 
2006 04  15.05   0.33   7.69 
2006 05  17.67   6.15  11.91 
2006 06  22.24  10.18  16.20 
2006 07  26.57  12.32  19.44 
2006 08  23.38   9.82  16.59 
2006 09  18.32   5.69  12.00 
2006 10   6.97  -2.33   2.31 
2006 11  -5.67 -14.93 -10.30 
2006 12  -3.34 -13.41  -8.37 
2007 01  -3.80 -14.78  -9.29 
2007 02 -10.35 -19.73 -15.04 
2007 03   2.07  -8.05  -2.99 
2007 04   9.67  -1.65   4.01 
2007 05  17.70   4.79  11.24 
2007 06  21.01   9.22  15.12 
2007 07  28.06  13.52  20.79 
2007 08  21.08   8.60  14.84 
2007 09  17.19   3.37  10.28 
2007 10  12.48   -.70   5.89 
2007 11   -.42  -9.43  -4.92 
2007 12  -9.39 -18.23 -13.81 
2008 01  -9.10 -20.04 -14.57 
2008 02  -7.27 -18.39 -12.83 
2008 03   1.17  -9.53  -4.17 
2008 04   7.23  -4.30   1.46 
2008 05  17.91   4.55  11.23 
2008 06  21.26   8.88  15.07 
2008 07  23.19  11.08  17.13 
2008 08  23.69  10.32  17.00 
2008 09  18.46   4.41  11.44 
2008 10  13.25  -1.21   6.02 
2008 11   3.83  -5.24   -.70 
2008 12 -12.23 -23.18 -17.70 
2009 01  -8.54 -19.85 -14.19 
2009 02  -7.22 -17.67 -12.44 
2009 03  -4.11 -16.44 -10.27 
2009 04   9.51  -2.26   3.62 
2009 05  17.04   2.38   9.71 
2009 06  20.99   7.56  14.27 
2009 07  23.49   9.83  16.66 
2009 08  22.98   9.45  16.21 
2009 09  23.52   6.85  15.18 
2009 10   5.71  -2.33   1.69 
2009 11   6.40  -5.61   0.39 
2009 12 -13.92 -23.72 -18.82 
2010 01  -7.69 -16.43 -12.06 
2010 02  -6.26 -15.75 -11.00 
2010 03   6.88  -5.33   0.77 
2010 04  11.56  -1.04   5.26 
2010 05  14.96   2.86   8.91 
2010 06  21.64   8.58  15.11 
2010 07  23.24  10.38  16.81 
2010 08  21.45   9.66  15.55 
2010 09  15.13   3.44   9.28 
2010 10  12.54   0.41   6.47 
2010 11  -1.21 -11.77  -6.49 
2010 12  -9.33 -17.75 -13.54 
2011 01  -7.37 -17.74 -12.55 
2011 02  -7.83 -19.59 -13.71 
2011 03  -4.19 -13.63  -8.91 
2011 04   8.45  -3.06   2.69 
2011 05  19.03   4.52  11.77 
2011 06  20.27   8.66  14.46 
2011 07  23.79  11.37  17.58 
2011 08  24.73   9.55  17.14 
2011 09  23.70   5.72  14.71 
2011 10  12.81   0.16   6.48 
2011 11  -0.01 -10.78  -5.39 
2011 12   0.26 -11.05  -5.39 
2012 01  -3.23 -14.37  -8.80 
2012 02  -2.56 -14.98  -8.76 
2012 03   3.78  -6.75  -1.48 
2012 04  10.58  -2.04   4.27 
2012 05  17.04   3.86  10.45 
2012 06  22.27   9.14  15.71 
2012 07  25.53  13.25  19.39 
2012 08  25.08  10.50  17.79 
2012 09  22.11   6.11  14.11 
2012 10   6.04  -3.42   1.31 
2012 11  -4.82 -13.05  -8.93 
2012 12 -11.82 -20.43 -16.12 
2013 01  -7.85 -17.64 -12.74 
2013 06  20.25  10.60  15.42 
2013 07  23.70  10.82  17.26 
2013 08  24.79  11.27  18.03 
2013 11  -5.22 -14.64  -9.93 
2014 01  -4.89 -16.24 -10.56 
2014 02 -13.09 -22.59 -17.84 
2014 03  -2.65 -12.83  -7.74 
2014 05  15.68   3.69   9.68 
