1919 12  -8.17 -15.99 -12.08 
1920 01 -11.80 -20.48 -16.14 
1920 02   1.22 -11.20  -4.98 
1920 03   1.98 -12.97  -5.49 
1920 04   5.60  -6.88   -.64 
1920 05  17.93   2.19  10.06 
1920 06  20.39   6.11  13.25 
1920 07  27.20  10.61  18.90 
1920 08  22.48   8.68  15.58 
1920 09  16.59   3.05   9.82 
1920 10  11.25  -1.98   4.63 
1920 11   2.17  -7.08  -2.45 
1920 12  -7.44 -15.65 -11.54 
1921 01  -7.94 -16.94 -12.44 
1921 02   0.12 -11.52  -5.70 
1921 03   2.16 -12.92  -5.38 
1921 04  15.02  -1.84   6.59 
1921 05  19.54   3.21  11.37 
1921 06  24.23   7.99  16.11 
1921 07  23.24   9.25  16.24 
1921 08  20.58   7.54  14.06 
1921 09  17.06   2.15   9.60 
1921 10  15.40   -.23   7.58 
1921 11  -3.06 -11.47  -7.26 
1921 12  -3.93 -13.80  -8.86 
1922 01  -6.84 -16.44 -11.64 
1922 02  -9.10 -23.14 -16.12 
1922 03   2.88 -11.98  -4.54 
1922 04  12.47  -2.43   5.02 
1922 05  20.16   3.07  11.61 
1922 06  23.94   7.17  15.55 
1922 07  25.27   8.47  16.87 
1922 08  25.29   9.35  17.32 
1922 09  20.61   4.10  12.35 
1922 10  12.29   -.29   6.00 
1922 11   1.92  -7.41  -2.74 
1922 12 -10.35 -18.28 -14.31 
1923 01  -9.34 -18.06 -13.70 
1923 02  -3.42 -16.26  -9.84 
1923 03   1.01 -12.35  -5.67 
1923 04  14.29  -3.75   5.27 
1923 05  20.58   2.24  11.41 
1923 06  23.56   9.01  16.28 
1923 07  23.68  10.38  17.03 
1923 08  22.22   8.77  15.49 
1923 09  18.51   3.79  11.15 
1923 10  15.77  -1.52   7.12 
1923 11   7.65  -4.88   1.38 
1923 12  -2.25 -11.51  -6.88 
1924 01  -9.05 -19.64 -14.34 
1924 02   1.72 -11.03  -4.65 
1924 03   4.28  -9.64  -2.68 
1924 04  11.70  -3.54   4.08 
1924 05  20.43   3.10  11.76 
1924 06  24.24   5.75  14.99 
1924 07  26.30  10.27  18.28 
1924 08  21.56   8.26  14.91 
1924 09  18.15   4.46  11.31 
1924 10  13.15   -.33   6.41 
1924 11   0.51  -9.06  -4.27 
1924 12 -11.64 -21.31 -16.47 
1925 01  -9.93 -20.67 -15.30 
1925 02  -5.97 -17.82 -11.89 
1925 03   4.01 -11.17  -3.58 
1925 04  14.91   -.73   7.09 
1925 05  23.20   4.00  13.60 
1925 06  23.40   7.92  15.66 
1925 07  26.16  10.04  18.10 
1925 08  21.76   8.39  15.08 
1925 09  15.67   2.56   9.11 
1925 10   7.53  -4.52   1.50 
1925 11 -99.99  -8.76 -99.99 
1925 12  -1.07  -8.54  -4.80 
1926 01   -.74  -9.93  -5.33 
1926 02   0.72 -11.29  -5.28 
1926 04 -99.99   -.75 -99.99 
1926 05 -99.99   4.35 -99.99 
1926 06  17.91   6.92  12.41 
1926 09  10.33   1.07   5.70 
1926 10  10.39  -1.01   4.69 
1926 11  -1.64 -10.61  -6.12 
1927 01  -8.47 -19.66 -14.06 
1927 02  -4.71 -19.21 -11.96 
1927 03   3.46  -9.68  -3.11 
1927 04   9.00  -4.94   2.03 
1927 05  14.49   2.91   8.70 
1927 06  19.54   8.25  13.89 
1927 07  20.95  10.30  15.62 
1927 08  23.16   8.91  16.03 
1927 09  15.46   4.06   9.76 
1927 11  -7.88 -18.71 -13.29 
1928 01  -4.86 -14.39  -9.62 
1928 02   1.49 -11.12  -4.81 
1928 03   3.53  -8.18  -2.32 
1928 04   5.25  -4.56   0.34 
1928 05  20.04   5.86  12.95 
1928 06  18.91   8.10  13.50 
1928 07  22.98  10.88  16.93 
1928 09  18.18   2.99  10.58 
1928 10   9.18  -2.55   3.31 
1929 06  21.21   7.96  14.58 
1929 07  23.76   7.71  15.73 
1929 08  22.23   7.72  14.97 
1929 09  16.09   3.00   9.54 
1929 10  15.14  -1.42   6.86 
1930 01 -11.94 -24.41 -18.17 
1930 02   0.62 -13.64  -6.51 
1930 08  23.55   8.82  16.18 
1931 05  17.83   3.01  10.42 
1931 06  20.31   7.00  13.65 
1931 07  22.16   8.76  15.46 
1931 08  20.99   7.74  14.36 
1931 09  16.31   2.72   9.51 
1931 10  12.47  -1.74   5.36 
1931 11   0.26 -11.61  -5.67 
1931 12  -5.47 -16.12 -10.79 
1932 01 -10.14 -22.72 -16.43 
1932 02  -7.78 -19.45 -13.62 
1933 01 -10.82 -22.09 -16.45 
1933 04   9.34  -4.91   2.21 
1933 05  17.29   3.35  10.32 
1933 06  20.69   6.09  13.39 
1933 07  23.78   7.35  15.56 
1934 02   0.68 -10.84  -5.08 
