1917 01 -2.08  -7.74  -4.91 
1917 02   .50  -6.89  -3.19 
1917 03  3.70  -2.85    .42 
1917 04 11.56    .48   6.02 
1917 05 13.32   3.43   8.37 
1917 06 15.63   7.24  11.43 
1917 07 15.76   8.83  12.29 
1917 08 17.12   9.24  13.18 
1917 09 14.05   6.71  10.38 
1917 10  8.46   3.27   5.86 
1917 11  5.19    .10   2.64 
1917 12 -6.68 -13.22  -9.95 
1918 01  1.31  -3.46  -1.07 
1918 02   .78  -6.54  -2.88 
1918 04  6.54   -.30   3.12 
1918 05 14.25   1.81   8.03 
1918 06 18.77   7.37  13.07 
1918 07 23.92   9.43  16.68 
1918 08 99.99   9.21 -99.99 
1918 09 99.99   6.39 -99.99 
1918 10  8.10   3.27   5.68 
1918 11  5.11    .12   2.61 
1918 12  1.98  -2.42   -.22 
1919 01  2.74  -2.63    . 5 
1919 02  2.01  -3.75   -.87 
1919 03  1.92  -5.61  -1.84 
1919 04 10.80   1.13   5.96 
1919 05 12.50   3.20   7.85 
1919 06 15.01   6.81  10.91 
1919 07 15.78   8.68  12.23 
1919 08 17.49   9.14  13.31 
1919 09 15.63   6.17  10.90 
1919 10  6.95   1.40   4.17 
1919 11  1.98  -4.89  -1.45 
1919 12   .50  -5.54  -2.52 
1920 01 -3.32  -9.09  -6.20 
1920 02  3.92  -2.57    .67 
1920 03  4.25  -4.46   -.10 
1920 04  7.47  -2.64   2.41 
1920 05 14.21   2.93   8.57 
1920 07 23.35  10.43  16.89 
1920 08 18.09   8.99  13.54 
1920 09 13.77   5.04   9.40 
1920 10  9.14   1.38   5.26 
1920 12  1.85  -4.48  -1.32 
1921 01 99.99  -7.10 -99.99 
1921 02  4.59  -2.77    .91 
1921 03  5.73  -2.86   1.43 
1921 04 10.42    .73   5.57 
1921 05 17.27   3.55  10.41 
1921 06 23.91   7.47  15.69 
1921 07 18.02 -99.99 -99.99 
