2004 01 -35.15 -40.07 -37.61 
2004 02 -31.51 -37.45 -34.48 
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2004 04 -17.96 -26.46 -22.21 
2004 05  -9.07 -15.65 -12.36 
2004 06   1.73  -3.41   -.84 
2004 07   9.53   1.86   5.69 
2004 08   7.24   1.24   4.23 
2004 09   0.87  -3.42  -1.27 
2004 10  -7.89 -14.57 -11.23 
2004 11 -22.35 -30.57 -26.46 
2004 12 -32.91 -38.80 -35.85 
2005 01 -30.69 -36.74 -33.71 
2005 02 -31.90 -38.00 -34.95 
2005 03 -26.45 -33.62 -30.03 
2005 04 -13.97 -23.02 -18.49 
2005 05  -7.33 -13.36 -10.34 
2005 06   2.69  -2.04   0.32 
2005 07   9.01   2.09   5.55 
2005 08   9.49   2.89   6.19 
2005 09   0.95  -3.53  -1.29 
2005 10  -5.49 -12.19  -8.84 
2005 11 -16.89 -24.46 -20.67 
2005 12 -27.24 -33.49 -30.36 
2006 01 -25.65 -33.88 -29.76 
2006 02 -25.11 -32.79 -28.95 
2006 03 -21.05 -28.60 -24.82 
2006 04 -14.81 -23.93 -19.37 
2006 05  -3.14  -8.95  -6.04 
2006 06   6.38   -.45   2.96 
2006 07  11.33   3.15   7.24 
2006 08  10.87   4.44   7.65 
2006 09   3.18   -.89   1.14 
2006 10  -2.08  -5.32  -3.70 
2006 11 -17.31 -22.82 -20.06 
2006 12 -22.42 -28.97 -25.69 
2007 01 -28.19 -34.03 -31.11 
2007 02 -28.32 -33.88 -31.10 
2007 03 -27.41 -35.29 -31.35 
2007 04 -13.68 -22.65 -18.16 
2007 05  -7.94 -15.73 -11.83 
2007 06   3.96  -1.74   1.11 
2007 07  14.68   5.55  10.11 
2007 08   8.71   3.60   6.15 
2007 09   1.08  -2.05   -.48 
2007 10  -4.92  -8.66  -6.79 
2007 11 -21.67 -27.12 -24.39 
2007 12 -24.15 -30.19 -27.17 
2008 01 -28.97 -34.32 -31.64 
2008 02 -34.93 -39.00 -36.97 
2008 03 -32.48 -38.25 -35.37 
2008 04 -15.83 -23.66 -19.74 
2008 05  -3.67  -9.51  -6.59 
2008 06   4.63   -.39   2.12 
2008 07  13.25   4.87   9.05 
2008 08   9.54   3.82   6.68 
2008 09   1.16  -2.73   -.78 
2008 10  -3.30  -8.89  -6.09 
2008 11 -17.82 -24.91 -21.36 
2008 12 -26.83 -32.27 -29.55 
2009 01 -26.64 -32.30 -29.47 
2009 02 -29.36 -35.55 -32.45 
2009 03 -27.00 -34.34 -30.67 
2009 04 -14.69 -23.87 -19.28 
2009 05  -8.18 -14.52 -11.35 
2009 06   2.01  -2.78   -.38 
2009 07  10.86   3.33   7.09 
2009 08   9.54   2.81   6.17 
2009 09   3.11   -.90   1.10 
2009 10  -8.62 -14.08 -11.35 
2009 11 -17.18 -23.87 -20.52 
2009 12 -20.35 -27.51 -23.93 
2010 01 -25.13 -32.37 -28.75 
2010 02 -24.00 -30.71 -27.35 
2010 03 -22.22 -29.91 -26.06 
2010 04  -8.85 -17.12 -12.98 
2010 05  -7.05 -13.03 -10.04 
2010 06   4.41   -.93   1.73 
2010 07  13.00   4.52   8.76 
2010 08  10.59   3.72   7.15 
2010 09   4.39   0.02   2.20 
2010 10  -1.51  -5.00  -3.25 
2010 11 -11.48 -19.76 -15.62 
2010 12 -17.60 -23.47 -20.53 
2011 01 -24.52 -32.29 -28.40 
2011 02 -30.40 -36.58 -33.49 
2011 03 -25.44 -32.83 -29.13 
2011 04 -19.26 -27.87 -23.56 
2011 05  -6.66 -13.92 -10.29 
2011 06   4.06   -.65   1.70 
2011 07  14.49   5.77  10.13 
2011 08  11.90   6.05   8.97 
2011 09   3.56   -.84   1.36 
2011 10  -4.85 -10.71  -7.78 
2011 11 -13.97 -20.65 -17.31 
2011 12 -23.68 -30.71 -27.19 
2012 01 -29.83 -36.57 -33.20 
2012 02 -25.27 -32.16 -28.71 
2012 03 -27.08 -34.82 -30.95 
2012 04 -15.09 -23.87 -19.48 
2012 05  -3.86  -9.47  -6.66 
2012 06   5.00   0.42   2.71 
2012 07  12.91   4.87   8.88 
2012 08  11.01   5.01   8.01 
2012 09   5.02   0.22   2.62 
2012 10  -4.33  -9.68  -7.01 
2012 11 -17.44 -99.99 -99.99 
2012 12 -21.63 -27.66 -24.64 
2013 01 -30.89 -36.75 -33.82 
2013 02 -31.62 -37.00 -34.31 
2013 03 -21.54 -29.26 -25.40 
2013 04 -16.42 -24.43 -20.42 
2013 05  -7.21 -14.37 -10.79 
2013 06   8.02   0.45   4.23 
2013 07  11.20   3.55   7.37 
2013 08  10.02   2.39   6.20 
2013 09   0.93  -2.02   -.54 
2013 10  -4.56  -8.72  -6.64 
2013 11 -18.82 -25.34 -22.08 
2013 12 -27.97 -34.07 -31.02 
2014 01 -31.45 -36.80 -34.12 
2014 02 -28.38 -35.08 -31.73 
2014 03 -25.19 -33.45 -29.32 
2014 04 -16.61 -26.52 -21.56 
2014 05  -3.82 -11.01  -7.41 
