1917 10  2.85  -7.38  -2.26 
1917 11 16.59 -26.84 -21.71 
1917 12 18.68 -24.60 -21.64 
1918 01 12.82 -20.96 -16.89 
1918 02 -8.58 -19.67 -14.12 
1918 03 -5.55 -19.65 -12.60 
1918 04  -.97 -12.27  -6.62 
1918 05  8.14    . 7   4.10 
1918 11 12.40 -20.88 -16.64 
1918 12 11.56 -21.42 -16.49 
1919 01 17.12 -26.05 -21.59 
1919 02 -4.84 -14.74  -9.79 
1919 03  -.65 -12.38  -6.51 
1919 04  3.76  -7.88  -2.06 
1919 05 12.00    . 3   6.01 
1919 11 -4.80 -10.33  -7.56 
1920 04 -2.76 -17.39 -10.07 
1920 05  6.88  -2.85   2.01 
1920 06 18.89   6.75  12.82 
1920 07 15.24   7.96  11.60 
1920 08 13.71   6.93  10.32 
1920 09  9.81   1.52   5.66 
1920 10   .87  -4.63  -1.88 
1920 11 -7.00 -12.90  -9.95 
1920 12 14.16 -22.13 -18.14 
1921 01 14.35 -24.12 -19.23 
1921 02 13.04 -22.54 -17.79 
1921 03 -1.26 -10.29  -5.77 
1921 04  2.34  -7.00  -2.32 
1921 05  9.17   -.27   4.44 
1921 06 18.93   6.97  12.95 
1921 07 16.77   6.79  11.78 
1921 08 16.37 -99.99 -99.99 
1921 09 11.42   1.04   6.23 
1921 10  1.87  -4.65  -1.39 
1921 11   .12  -6.37  -3.12 
1921 12 -5.46 -99.99 -99.99 
1922 01 -6.67 -99.99 -99.99 
1922 02 -4.86 -99.99 -99.99 
1922 03 -5.17 -17.85 -11.51 
1922 04  2.73  -5.75  -1.51 
1922 05  9.58  -1.80   3.89 
1922 11 -7.45 -15.49 -11.46 
1922 12 -5.11 -13.02  -9.06 
1923 01 -9.09 -20.88 -14.98 
1923 02 99.99 -13.52 -99.99 
1923 03 99.99 -11.00 -99.99 
1923 04 99.99  -6.43 -99.99 
1923 05 99.99   1.15 -99.99 
1923 06 99.99   5.98 -99.99 
1923 07 19.11   9.30  14.20 
1928 10  3.61  -5.07   -.73 
1928 11 -2.78 -11.83  -7.30 
1928 12 -4.91 -16.56 -10.73 
1929 01  1.42  -7.81  -3.19 
1929 02 -1.38 -11.65  -6.51 
1929 03 -5.88 -20.58 -13.23 
1929 04  2.23  -8.60  -3.18 
1929 05 12.18    .97   6.57 
1929 06 19.94   7.20  13.57 
1929 07 19.34   7.76  13.55 
1929 08 16.45   6.34  11.40 
1929 09 15.55   6.88  11.21 
1929 10  2.60  -7.06  -2.23 
1929 11  2.78  -5.42  -1.32 
1929 12 -7.45 -17.53 -12.49 
1930 01  3.56  -6.34  -1.39 
1930 02 13.21 -26.25 -19.73 
1930 03 -3.64 -18.53 -11.08 
1930 04  2.71  -9.68  -3.48 
1930 05 99.99   -.52 -99.99 
1930 06 99.99   4.98 -99.99 
1930 07 15.57   6.87  11.21 
1930 08 16.06   7.43  11.74 
1930 09 10.38   1.93   6.15 
1930 10  3.52  -3.62    .-4 
1930 11 -9.49 -17.44 -13.46 
1930 12 -5.54 -15.82 -10.68 
1931 01 -6.62 -17.85 -12.23 
1931 03 -3.96 -99.99 -99.99 
1931 05  9.00    .96   4.98 
1931 06 18.96   5.06  12.01 
1931 07 18.81   6.84  12.82 
1931 08 17.16   9.20  13.18 
1931 09 10.22   1.91   6.06 
1931 10  3.37  -6.46  -1.54 
1931 11   .46 -10.65  -5.09 
1932 05  8.09  -1.72   3.18 
1932 06 15.96   4.96  10.46 
1932 07 17.71   7.53  12.62 
1932 08 14.70   6.79  10.74 
1933 01 -8.66 -25.70 -17.18 
