1928 02   1.12 -14.02  -6.45 
1928 03   5.35  -6.58   -.61 
1928 04  10.42  -3.31   3.55 
1928 05  22.72   4.85  13.78 
1928 07  24.91  11.26  18.08 
1928 08  23.20   6.90  15.05 
1928 09  21.09   1.23  11.16 
1928 10  11.53  -3.76   3.88 
1928 11   7.72  -9.56   -.92 
1928 12   0.28 -12.25  -5.98 
1929 01 -12.69 -24.23 -18.45 
1929 02  -8.82 -22.74 -15.78 
1929 03   7.29  -5.85   0.72 
1929 05  16.20   1.74   8.97 
1929 06  21.94   6.23  14.08 
1929 09  17.81   1.23   9.51 
1929 10  16.48  -2.15   7.16 
1929 11   5.17  -6.78   -.80 
1929 12  -6.08 -15.52 -10.80 
1930 01 -13.76 -23.86 -18.81 
1930 02   2.94  -6.74  -1.89 
1930 03   4.37  -8.89  -2.26 
1930 04  16.23   0.29   8.26 
1930 05  17.21   3.22  10.21 
1930 06  23.08   6.71  14.89 
1930 07  28.98   9.63  19.30 
1930 08  28.41   9.38  18.89 
1930 09  20.64   4.44  12.54 
1930 10   9.84  -3.28   3.28 
1930 11   4.25  -8.72  -2.23 
1930 12   3.39 -10.22  -3.41 
1931 01   2.81 -10.85  -4.02 
1931 02   6.85  -9.07  -1.10 
1931 03   3.67  -7.80  -2.06 
1931 04  13.96  -2.65   5.65 
1931 05  22.23   1.80  12.01 
1931 06  25.45   9.64  17.54 
1931 07  26.94   9.77  18.35 
1931 08  26.50   7.74  17.11 
1931 09  20.68   3.08  11.88 
1931 10  17.37  -1.45   7.96 
1931 11   1.15 -11.24  -5.04 
1931 12  -1.04 -11.66  -6.35 
1932 01  -5.31 -17.90 -11.60 
1932 02  -3.63 -14.24  -8.93 
1932 03  -2.53 -11.04  -6.78 
1932 04  12.76   0.82   6.79 
1932 05  19.02   4.19  11.60 
1932 06  21.90   9.22  15.56 
1932 07  27.70  10.62  19.16 
1932 08  25.25  10.83  18.04 
1932 09  18.99   2.90  10.94 
1932 10   9.18  -2.06   3.56 
1932 11   3.32  -7.97  -2.32 
1932 12  -3.26 -15.61  -9.43 
1933 01  -1.09 -13.33  -7.21 
1933 02  -3.82 -17.70 -10.76 
1933 03   5.73  -7.73  -1.00 
1933 04   9.00  -2.64   3.17 
1933 05  17.03   3.32  10.17 
1933 06  24.92   8.85  16.89 
1933 07  28.22  10.00  19.11 
1933 08  25.00   7.11  16.05 
1933 09  18.52   2.61  10.56 
1933 10   9.68  -2.31   3.68 
1933 11   6.08  -6.07   0.00 
1933 12 -10.12 -20.62 -15.37 
1934 01   0.51 -11.64  -5.56 
1934 02   3.98  -6.36  -1.19 
1934 03   3.09  -6.78  -1.84 
1934 04  17.15   -.41   8.37 
1934 05  23.78   6.23  15.00 
1934 09  16.58   1.51   9.04 
1934 10  16.42   -.65   7.88 
1934 11   6.19  -6.02   0.08 
1934 12  -3.87 -14.47  -9.17 
1935 01 -10.64 -20.94 -15.79 
1935 02   0.98 -12.52  -5.77 
1935 03   -.90 -10.79  -5.84 
1935 04   7.11  -4.86   1.12 
1935 06  22.16   6.34  14.25 
1935 07  28.63  10.79  19.70 
1935 08  25.89   6.25  16.07 
1935 10  14.07  -4.21   4.92 
1935 11   0.03 -11.67  -5.82 
1935 12   0.39 -10.82  -5.21 
1936 01 -10.16 -19.12 -14.64 
1936 02 -20.62 -33.24 -26.93 
1936 03   2.15  -7.62  -2.73 
1936 04  10.81  -3.28   3.76 
1936 05  26.48   6.56  16.52 
1936 06  24.16   8.66  16.41 
1936 07  32.83  10.84  21.83 
1936 11   6.36  -8.14   -.89 
1936 12  -7.95 -16.01 -11.98 
1937 01 -17.12 -29.13 -23.12 
1937 02  -9.67 -22.24 -15.95 
1937 03   1.52  -7.97  -3.22 
1937 04  12.42  -1.12   5.65 
1937 05  19.62   2.78  11.20 
1937 06  25.46   7.32  16.39 
