1928 03 14.89   2.01   8.45 
1928 04 17.19   2.84  10.01 
1928 05 27.48  10.00  18.74 
1928 06 27.80  12.49  20.14 
1928 07 34.25  16.52  25.38 
1928 08 31.81  13.55  22.68 
1928 09 28.01   9.68  18.85 
1928 10 20.20   5.22  12.71 
1928 11 10.46    .32   5.39 
1928 12  4.89  -3.81    .53 
1929 01 -2.02 -10.74  -6.38 
1929 02  1.61 -10.12  -4.25 
1929 03 14.79   1.31   8.05 
1929 04 17.28   2.93  10.10 
1929 05 24.30   7.78  16.03 
1929 06 26.99  11.65  19.32 
1929 07 32.29  13.93  23.11 
1929 08 34.48  15.01  24.74 
1929 09 25.96   9.58  17.77 
1929 10 22.51   4.87  13.69 
1929 11 11.00  -2.83   4.08 
1929 12  7.45  -2.24   2.60 
1930 01 -2.81 -13.62  -8.21 
1930 02 10.45    .63   5.54 
1930 03 16.04   2.30   9.17 
1930 04 21.80   4.66  13.23 
1930 05 23.08   7.62  15.35 
1930 06 26.70  10.08  18.39 
1930 07 34.05  15.23  24.64 
1930 08 33.66  15.02  24.34 
1930 09 27.02  10.34  18.68 
1930 10 17.87   2.43  10.15 
1930 11  9.68   -.70   4.49 
1930 12  2.80  -2.49    .15 
1931 01  5.05  -1.80   1.62 
1931 02  8.71  -1.54   3.58 
1931 03 14.36   1.38   7.87 
1931 04 99.99   4.46 -99.99 
