1915 05  19.02   6.41  12.71 
1915 06  24.54   6.65  15.59 
1915 07  28.04   9.97  19.01 
1915 08  32.75  11.47  22.11 
1915 09  22.96   4.78  13.87 
1915 10  16.84   2.28   9.56 
1915 11   4.48  -3.37   0.55 
1915 12   1.15  -6.21  -2.53 
1916 01  -5.51 -14.46  -9.98 
1916 02   2.94  -5.55  -1.30 
1916 03   9.74  -1.69   4.02 
1916 04  16.36   1.75   9.05 
1916 05  18.04   3.83  10.94 
1916 06  23.05   6.98  15.01 
1916 07  27.36   8.84  18.10 
1916 08  30.10   9.16  19.63 
1916 09  25.05   6.15  15.60 
1916 10  16.77  -1.15   7.81 
1916 11   4.94  -6.17   -.61 
1916 12  -3.07 -11.59  -7.33 
1917 01   -.54 -10.03  -5.28 
1917 02   1.59  -6.80  -2.60 
1917 03   5.98  -6.40   -.21 
1917 04  12.43   0.46   6.44 
1917 05  19.59   4.52  12.05 
1917 06  23.63   5.94  14.78 
1917 07  32.04   9.14  20.59 
1917 08  32.05   9.39  20.72 
1917 09  18.12   7.08  12.60 
1917 10  10.89   0.96   5.92 
1917 11   4.77   -.26   2.25 
1917 12   0.19  -4.90  -2.35 
1918 01   -.27  -5.93  -3.10 
1918 02   0.64  -9.00  -4.17 
1918 03   7.65  -1.02   3.31 
1918 04  15.48   -.29   7.59 
1918 05  16.62   2.11   9.37 
1918 06  25.57   8.47  17.02 
1918 07  26.75  10.89  18.82 
1918 08  22.49   8.51  15.50 
1918 09  22.04   7.60  14.82 
1918 10  11.51   3.65   7.58 
1918 11   3.04  -2.87   0.08 
1918 12  -0.09  -5.40  -2.74 
1919 01   -.55  -6.59  -3.57 
1919 02   0.42  -5.64  -2.61 
1919 03   6.24  -3.05   1.59 
1919 04  14.04   1.04   7.54 
1919 05  15.65   3.39   9.51 
1919 06  22.45   4.52  13.48 
1919 07  31.56   9.70  20.63 
1919 08  31.32   9.50  20.41 
1919 09  24.26   5.70  14.98 
1919 10  15.17  -2.08   6.54 
1919 11   5.69  -4.23   0.72 
1919 12  -0.01 -10.25  -5.13 
1920 01   1.04  -8.60  -3.77 
1920 02   6.07  -6.13  -0.02 
1920 03  11.17  -2.92   4.12 
1920 04  13.79   -.84   6.47 
1920 05  20.00   2.09  11.05 
1920 06  28.32   5.66  16.99 
1920 07  35.88   7.47  21.67 
1920 08  34.41   8.28  21.34 
1921 01   2.32  -9.02  -3.35 
1921 02   8.27  -2.91   2.68 
