1948 07 30.32  19.59  24.95 
1971 03  2.34  -5.20  -1.42 
1972 02 -6.30 -17.15 -11.72 
1972 08 26.09  16.95  21.52 
1972 09 19.52   9.78  14.65 
1972 10 10.73   2.47   6.60 
1972 11  2.34  -2.03    .15 
1973 01 -4.11 -13.40  -8.75 
1973 02 -1.63 -10.70  -6.16 
1973 04 11.87   1.69   6.78 
1973 08 27.75  17.46  22.61 
1973 09 20.37  10.95  15.66 
1973 10 16.95   7.12  12.03 
1973 11  4.84  -2.27   1.28 
1974 02 -2.54 -99.99 -99.99 
1974 09 19.01   6.86  12.93 
1975 03  1.85  -9.91  -4.02 
1975 04  9.32  -1.28   4.02 
1975 05 22.68  10.49  16.58 
1975 06 26.09  15.55  20.82 
1975 07 30.53  18.46  24.50 
1975 08 26.64  16.25  21.44 
1975 09 18.95   8.39  13.67 
1975 10 16.00   4.08  10.04 
1979 03 99.99  -6.78 -99.99 
2009 07 23.49  11.49  17.49 
2009 08 23.64  12.16  17.90 
2009 09 22.93  10.13  16.53 
2009 10  8.18    .95   4.56 
2009 11  8.60  -1.35   3.63 
2009 12 -5.70 -14.07  -9.88 
2010 01 -7.95 -18.04 -13.00 
2010 02 -4.10 -18.45 -11.27 
2010 03  8.14  -4.62   1.76 
2010 04 17.20   2.78   9.99 
2010 05 20.53   7.95  14.24 
2010 06 23.12  12.90  18.01 
2010 07 26.97  16.34  21.65 
2010 08 27.33  15.99  21.66 
2010 09 19.12   7.97  13.54 
2010 10 16.41   2.05   9.22 
2010 11  4.83  -5.11   -.14 
2010 12 -6.14 -15.34 -10.74 
2011 01 -8.60 -18.69 -13.64 
2011 02 -3.78 -14.65  -9.21 
2011 03  1.64  -8.32  -3.34 
2011 04 10.90    .57   5.73 
2011 05 17.95   7.20  12.58 
2011 06 23.57  12.85  18.20 
2011 07 28.79  17.57  23.18 
2011 08 25.91  14.19  20.04 
2011 09 20.20   8.18  14.19 
2011 10 16.71   3.53  10.12 
2011 11  7.05  -3.11   1.97 
2011 12  -.51  -9.12  -4.81 
2012 01 -2.53 -13.08  -7.80 
2012 02   .67  -8.93  -4.13 
2012 03 12.90   1.91   7.40 
2012 04 13.70   1.37   7.53 
2012 05 21.61   9.78  15.69 
2012 06 25.66  13.84  19.75 
2012 07 29.62  17.81  23.71 
2012 08 25.72  12.50  19.11 
2012 09 22.40   6.48  14.44 
2012 10 12.41    .-6   6.17 
2012 11  7.21  -4.85   1.18 
2012 12 -1.67 -11.34  -6.50 
2013 01 -5.07 -15.53 -10.30 
2013 02 -4.59 -15.71 -10.14 
2013 03  -.15 -12.51  -6.33 
2013 04  6.93  -2.33   2.29 
2013 05 17.84   6.96  12.40 
2013 06 23.38  13.45  18.41 
2013 07 26.63  14.85  20.74 
2013 08 26.92  13.65  20.28 
2013 09 23.70   9.83  16.76 
2013 10 13.14   2.75   7.94 
2013 11  3.34  -6.31  -1.48 
2013 12 -7.67 -17.23 -12.45 
2014 01 -9.78 -23.01 -16.39 
2014 02 -9.76 -23.26 -16.51 
2014 03 -1.49 -12.63  -7.06 
2014 04  9.57  -1.08   4.24 
2014 05 18.23   7.79  13.01 
