1914 11   3.33  -7.60  -2.13 
1914 12  -9.71 -18.48 -14.09 
1915 01  -8.84 -19.36 -14.10 
1915 02  -5.75 -18.70 -12.22 
1915 03   1.90  -9.85  -3.97 
1915 04  16.70   0.43   8.57 
1915 05  17.10   2.65   9.87 
1915 06  18.18   6.17  12.17 
1915 07  20.57   8.08  14.32 
1915 08  26.35  10.14  18.25 
1915 09  15.83   1.12   8.47 
1915 11   1.13 -10.96  -4.91 
1915 12  -3.53 -14.08  -8.80 
1916 01 -21.66 -31.87 -26.76 
1916 02   -.89 -16.59  -8.74 
1916 03  -1.54 -12.87  -7.20 
1916 04  11.95   -.96   5.49 
1916 05  15.19   -.31   7.43 
1916 06  19.02   6.07  12.54 
1916 07  22.10   9.68  15.89 
1916 08  21.08   6.93  14.00 
1916 09  16.90   3.61  10.25 
1916 10   9.39  -2.48   3.45 
1916 11   3.92  -8.28  -2.17 
1916 12 -11.09 -21.47 -16.27 
1917 01 -11.04 -21.99 -16.51 
1917 02 -12.85 -23.38 -18.11 
1917 03  -1.40 -13.93  -7.66 
1917 04   6.37  -5.06   0.65 
1917 05  18.12   3.45  10.79 
1917 06  19.95   5.07  12.51 
1917 07  26.44   9.64  18.04 
1917 08  23.05   6.86  14.95 
1917 09  18.57   3.68  11.12 
1917 10   8.00  -3.18   2.40 
1917 11  11.70  -3.83   3.93 
1917 12 -16.98 -27.53 -22.25 
1918 01 -11.40 -22.90 -17.15 
1918 02  -7.70 -21.40 -14.54 
1918 03   1.54 -14.56  -6.51 
1918 04  12.62  -4.34   4.14 
1918 05  15.62   1.50   8.55 
1918 06  22.21   7.42  14.81 
1918 07  23.83   8.47  16.15 
1918 08  23.21   7.38  15.29 
1918 09  18.54   2.09  10.32 
