1917 01  7.14  -2.43   2.35 
1917 02  6.51  -5.47    .52 
1917 03 11.63   2.13   6.88 
1917 04 18.14   6.78  12.46 
1917 05 20.12   9.45  14.78 
1917 06 26.28  15.27  20.77 
1917 07 28.64  18.10  23.37 
1917 08 28.21  17.45  22.83 
1917 09 23.80  12.20  18.00 
1917 10 16.95   5.20  11.07 
1917 11 11.02    .10   5.56 
1917 12  2.13  -8.10  -2.98 
1918 01  -.35 -99.99 -99.99 
1918 02 10.04  -2.14   3.94 
1918 03 14.98   2.36   8.67 
1918 04 17.18   7.52  12.35 
1918 05 26.41  14.14  20.27 
1918 06 26.93  15.36  21.14 
1918 07 28.03  16.35  22.19 
1918 08 32.09  19.77  25.93 
1918 09 22.56   9.93  16.25 
1918 11 11.57   2.05   6.81 
1918 12 11.09   3.62   7.35 
1919 01  7.20  -2.55   2.32 
1919 02  8.45   -.77   3.84 
1919 03 14.51   2.41   8.46 
1919 04 18.37   6.75  12.56 
1919 05 22.39  12.24  17.31 
1919 06 28.80  18.34  23.57 
1919 07 29.78  17.94  23.86 
1919 09 26.11  13.52  19.81 
1919 10 22.19  12.72  17.45 
1919 11 12.53   3.41   7.97 
1919 12  5.37  -4.46    .45 
1920 01  3.43  -4.92   -.74 
1920 02  4.56  -2.41   1.07 
1920 03 13.16    .87   7.01 
1920 04 16.17   6.78  11.47 
1920 05 21.83  10.20  16.01 
1920 06 26.44  16.04  21.24 
1920 07 26.95  16.43  21.69 
1920 08 26.93  18.02  22.47 
1920 09 25.33  15.13  20.23 
1920 10 20.80   7.77  14.28 
1920 11 10.03   1.55   5.79 
1920 12  6.86    .10   3.48 
1921 01  8.14   -.42   3.86 
1921 02  8.39    .91   4.65 
1921 03 18.44   6.55  12.49 
