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   0.32   5.39 
1928 12   4.89  -3.81   0.53 
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   0.63   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   0.15 
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 
