1973 06 12.08   4.71   8.39 
1980 08 20.33   8.56  14.44 
1981 11 20.04 -30.60 -25.32 
1982 04 -5.44 -15.02 -10.23 
1984 02 28.58 -41.14 -34.86 
1986 07 20.53  11.42  15.97 
1988 11 20.37 -31.20 -25.79 
1989 07 16.61   6.90  11.75 
1991 01 36.88 -43.47 -40.17 
1992 04 -7.94 -19.48 -13.71 
1992 07 18.64   9.39  14.01 
1999 06 15.98   7.84  11.91 
2000 02 28.23 -36.05 -32.14 
2000 05  5.69  -3.24   1.22 
2005 10 -7.32 -13.16 -10.24 
2005 12 28.28 -35.20 -31.74 
2006 02 30.58 -36.25 -33.41 
2006 05  4.23  -2.60    .81 
2006 06 13.50   6.96  10.22 
2006 07 19.19  11.88  15.53 
2006 08 15.92   7.41  11.66 
2006 09  6.89   1.13   4.00 
2006 10 10.14 -16.34 -13.24 
2006 11 25.65 -31.27 -28.46 
2007 02 35.65 -41.91 -38.78 
2007 03 17.52 -29.09 -23.30 
2007 04 -1.04 -12.37  -6.71 
2007 05  6.98   -.68   3.15 
2007 06 16.24   9.29  12.76 
2007 07 16.87   9.93  13.41 
2007 11 25.37 -32.93 -29.15 
2007 12 32.59 -37.70 -35.15 
2008 01 34.62 -40.46 -37.54 
2008 04 -7.29 -19.25 -13.27 
2008 05  6.50  -1.04   2.72 
2008 06 15.75   7.39  11.57 
2008 07 18.16  10.39  14.27 
2008 08 18.41  10.34  14.37 
2008 09  6.10  -1.00   2.55 
2008 10 -4.19  -9.17  -6.68 
2009 01 28.21 -33.80 -31.00 
2009 02 37.12 -45.03 -41.07 
2009 03 19.77 -30.97 -25.37 
2009 04 -3.34 -14.42  -8.88 
2009 05  3.04  -4.02   -.49 
2009 06 16.32   8.51  12.41 
2009 07 19.01  10.18  14.60 
2009 08 14.85   6.31  10.58 
2009 09  7.37   -.98   3.19 
2009 10 -8.30 -14.71 -11.50 
2009 11 29.03 -34.54 -31.78 
2009 12 37.25 -41.89 -39.57 
2010 01 31.86 -37.99 -34.92 
2010 02 31.23 -38.71 -34.97 
2010 03 18.78 -31.67 -25.22 
2010 07 23.10  13.99  18.54 
2010 08 16.03   7.24  11.63 
2010 09  6.92   -.94   2.99 
2010 10 -9.51 -15.71 -12.61 
2010 12 34.83 -41.23 -38.03 
2011 01 31.20 -36.77 -33.98 
2011 04  -.47 -10.52  -5.49 
2011 06 14.60   7.83  11.21 
2011 07 20.78  12.51  16.64 
2011 08 18.41   8.89  13.65 
2011 09  5.43  -1.09   2.16 
2011 10 -7.68 -12.97 -10.32 
2011 11 24.85 -29.22 -27.03 
2011 12 31.95 -37.95 -34.95 
2012 01 33.71 -38.80 -36.25 
2012 02 29.01 -36.52 -32.76 
2012 04 -5.16 -17.45 -11.31 
2012 05  7.27    .40   3.83 
2012 06 18.37   8.85  13.61 
2012 09  9.85  -1.50   4.17 
2012 10 -8.97 -18.36 -13.66 
2012 11 27.91 -34.57 -31.24 
2012 12 31.92 -40.04 -35.98 
2013 01 37.75 -44.27 -41.01 
2013 02 31.69 -42.69 -37.18 
2013 04 -2.77 -19.87 -11.32 
2013 05 12.42   1.86   7.14 
2013 06 17.62   7.57  12.60 
2013 07 22.66   7.89  15.27 
2013 08 14.98   5.63  10.30 
2013 09  6.08  -1.35   2.36 
2013 10 -4.84 -14.37  -9.60 
2013 11 16.90 -27.24 -22.07 
2013 12 25.69 -34.53 -30.11 
