1973 06 15.62   5.81  10.71 
1975 02 37.25 -45.29 -41.27 
1979 11 32.93 -40.59 -36.76 
1980 03 27.36 -40.61 -33.98 
1980 08 17.93   6.26  12.09 
1980 10 -8.82 -17.89 -13.35 
1985 02 31.39 -41.71 -36.55 
1986 03 22.57 -36.47 -29.52 
1988 11 28.43 -36.12 -32.27 
1989 02 35.58 -43.64 -39.61 
1989 06 14.23   6.17  10.20 
1989 07 19.37   7.78  13.58 
1991 04 -4.83 -19.93 -12.38 
2009 04 -2.39 -16.93  -9.66 
2009 05  9.93   -.23   4.85 
2009 06 20.43   8.74  14.58 
2009 07 19.79   9.17  14.48 
2009 08 15.55   5.16  10.35 
2009 09 11.20    .39   5.79 
2009 10 -9.06 -15.69 -12.37 
2009 11 28.71 -35.09 -31.90 
2009 12 36.09 -41.11 -38.60 
2010 01 38.50 -45.04 -41.77 
2010 02 34.89 -45.18 -40.03 
2010 03 20.72 -35.09 -27.90 
2010 04 -4.86 -18.28 -11.57 
2010 05 14.84   3.35   9.09 
2010 06 18.29   8.68  13.49 
2010 07 27.50  14.51  21.00 
2010 08 16.18   6.62  11.40 
2010 09  6.85   -.79   3.03 
2010 10 -9.64 -19.83 -14.74 
2010 11 24.32 -32.64 -28.48 
2010 12 36.99 -41.86 -39.42 
2011 01 34.32 -40.64 -37.48 
2011 02 35.41 -45.47 -40.44 
2011 03 13.51 -28.89 -21.20 
2011 04   .66 -12.24  -5.79 
2011 05  6.44  -3.24   1.60 
2011 06 18.92   8.49  13.70 
2011 07 23.52  12.89  18.20 
2011 08 17.29   7.05  12.17 
2011 09  5.60  -2.54   1.53 
2011 10 -8.87 -17.77 -13.32 
2011 11 29.21 -36.18 -32.69 
2011 12 37.89 -43.07 -40.48 
2012 01 34.64 -40.62 -37.62 
2012 02 34.68 -45.02 -39.84 
2012 03 21.19 -37.55 -29.37 
2012 04 -4.35 -16.08 -10.21 
2012 05 13.39    .15   6.77 
2012 06 21.33   8.81  15.07 
2012 07 20.20   9.10  14.65 
2012 08 16.21   6.33  11.27 
2012 09  6.70  -2.14   2.27 
2012 10 10.38 -18.50 -14.44 
2012 11 27.59 -35.05 -31.32 
2012 12 37.09 -43.58 -40.34 
2013 01 42.67 -48.55 -45.61 
2013 02 40.50 -49.15 -44.82 
2013 03 24.05 -38.37 -31.21 
2013 04 -4.46 -21.05 -12.75 
2013 05  9.37   -.91   4.23 
2013 06 17.41   5.67  11.54 
2013 07 18.74   9.13  13.93 
2013 08 17.29   5.62  11.45 
2013 09  3.78  -1.50   1.14 
2013 10 -8.85 -16.99 -12.92 
2013 11 30.98 -38.22 -34.59 
2013 12 35.46 -40.57 -38.01 
