1964 07 35.84  21.68  28.76 
1966 02 -2.28 -13.19  -7.73 
1967 01   .76 -11.38  -5.31 
1967 05 18.82   5.89  12.35 
1967 07 30.08  15.47  22.77 
1967 08 28.31  13.93  21.12 
1967 11  7.03  -5.07    .98 
1972 06 27.71  13.52  20.61 
1973 10 16.95   4.71  10.83 
1974 01  -.95 -11.35  -6.15 
1974 06 27.24  14.55  20.89 
1974 07 34.56  21.52  28.04 
1974 08 26.64  15.71  21.17 
1975 01   .80  -8.68  -3.94 
1975 02  -.50 -10.26  -5.38 
1975 03  4.16  -6.03   -.93 
1975 04 12.56   3.61   8.08 
1975 05 23.62  10.75  17.18 
1975 07 33.16 -99.99 -99.99 
1980 05 25.17  10.63  17.90 
2009 04 14.06   1.45   7.75 
2009 05 21.44   7.90  14.67 
2009 06 25.37  14.07  19.72 
2009 07 27.41  14.91  21.16 
2009 08 27.75  15.00  21.37 
2009 09 23.52  11.47  17.49 
2009 10 10.20   2.06   6.13 
2009 11 12.54  -1.57   5.48 
2009 12 -3.38 -12.94  -8.16 
2010 01 -3.36 -12.92  -8.14 
2010 02 -2.84 -12.53  -7.68 
2010 03  8.66   -.87   3.89 
2010 04 18.16   5.24  11.70 
2010 05 19.93   7.99  13.96 
2010 06 26.52  14.91  20.71 
2010 07 29.52  17.95  23.74 
2010 08 30.67  17.96  24.32 
2010 09 23.66  10.24  16.95 
2010 10 20.20   4.86  12.53 
2010 11  8.39  -4.04   2.17 
2010 12  -.95 -11.26  -6.10 
2011 01 -3.40 -15.87  -9.63 
2011 02  1.24 -11.50  -5.13 
2011 03  5.97  -4.28    .84 
2011 04 13.70   2.56   8.13 
2011 05 19.95   8.35  14.16 
2011 06 25.93  14.48  20.20 
2011 07 31.76  20.44  26.10 
2011 08 29.04  17.02  23.03 
2011 09 23.32   8.29  15.80 
2011 10 19.07   5.33  12.20 
2011 11 11.55  -3.93   3.81 
2011 12  4.59  -8.14  -1.77 
2012 01  6.17  -8.68  -1.25 
2012 02  4.33  -8.43  -2.05 
2012 03 19.29   2.66  10.98 
2012 04 18.77   5.30  12.03 
2012 05 23.55  10.10  16.83 
2012 06 30.06  16.14  23.09 
2012 07 36.02  20.54  28.28 
2012 08 31.16  15.56  23.36 
2012 09 27.46   9.22  18.34 
2012 10 16.06   1.59   8.82 
2012 11  9.81  -3.79   3.01 
2012 12  2.45  -9.56  -3.55 
2013 01  2.08 -11.05  -4.48 
2013 02  3.17  -8.43  -2.63 
2013 03  6.10  -6.54   -.22 
2013 04 11.73   -.85   5.43 
2013 05 21.43   8.99  15.21 
2013 06 26.34  14.08  20.20 
2013 07 29.82  17.29  23.55 
2013 08 28.69  18.15  23.42 
2013 09 27.70  13.85  20.77 
2013 10 15.16   3.03   9.09 
2013 11  8.87  -4.66   2.10 
2013 12 -1.79 -14.25  -8.02 
2014 01  2.29 -12.27  -4.99 
2014 02  -.89 -13.84  -7.36 
2014 03  8.10  -6.82    .64 
2014 04 16.62   2.30   9.46 
2014 05 22.20   8.41  15.30 
