1915 01  -5.73 -18.54 -12.14 
1915 02  -2.31 -14.84  -8.57 
1915 04 -99.99   1.16 -99.99 
1915 05  17.42   3.44  10.43 
1915 06  18.36   6.74  12.55 
1915 07  21.31   8.71  15.01 
1915 08  27.04  10.36  18.70 
1915 09  15.21   3.33   9.27 
1915 10  14.49   0.24   7.36 
1915 12   0.02 -11.87  -5.92 
1916 01 -19.70 -31.93 -25.81 
1916 02  -5.94 -18.06 -12.00 
1916 03   2.38 -10.26  -3.94 
1916 04  12.17  -3.13   4.52 
1916 05  14.86   1.11   7.98 
1916 06  19.83   7.17  13.50 
1916 07  24.35  11.45  17.90 
1916 08  22.67   7.60  15.13 
1916 09  18.43   3.23  10.83 
1916 10   8.95  -2.99   2.98 
1916 11   3.29  -9.46  -3.08 
1916 12  -9.58 -20.15 -14.86 
1917 01  -8.60 -22.07 -15.34 
1917 02 -12.34 -25.05 -18.69 
1917 03  -1.28 -14.36  -7.82 
1917 04   7.23  -4.48   1.37 
1917 05  17.85   2.52  10.18 
1917 06  20.57   5.67  13.12 
1917 07  28.19  10.08  19.13 
1917 08  24.05   7.59  15.82 
1917 09  19.28   3.44  11.36 
1917 10   8.47  -4.21   2.12 
1917 11  12.59  -2.91   4.84 
1917 12  -9.30 -22.79 -16.04 
