1917 01 -5.06  -9.50  -7.28 
1917 02 -1.07  -7.35  -4.21 
1917 03   .52  -3.23  -1.35 
1917 04  6.91   1.92   4.41 
1917 05  9.78   2.20   5.99 
1917 06 13.35   5.31   9.33 
1917 07 13.34   7.12  10.22 
1917 08 15.20   8.47  11.84 
1917 09 12.84   6.26   9.55 
1917 10  5.32   1.30   3.31 
1917 11  2.50  -1.92    .29 
1917 12 10.57 -15.47 -13.02 
1918 01  -.79  -3.45  -2.12 
1918 02 -2.98  -7.13  -5.05 
1918 03 -2.04  -6.72  -4.38 
1918 04  6.59    .68   3.63 
1918 05 12.10   2.38   7.24 
1918 06 16.08   7.09  11.58 
1918 07 20.23   9.85  15.04 
1918 08 14.88   8.22  11.55 
1918 09 14.96   7.14  11.05 
1918 10  6.45   1.80   4.12 
1918 11  3.52  -1.11   1.20 
1918 12  -.75  -4.53  -2.64 
1919 01  -.45  -4.92  -2.68 
1919 02 -1.04  -5.90  -3.47 
1919 03 -2.62  -8.68  -5.65 
1919 04  7.68    .83   4.25 
1919 05 10.46 -99.99 -99.99 
1919 06 13.26   4.94   9.10 
1919 07 15.50   8.10  11.80 
1919 08 16.54   8.29  12.41 
1919 09 13.66   6.61  10.13 
1919 10  5.23    .52   2.88 
1919 11   .22 -99.99 -99.99 
1919 12  -.48  -5.90  -3.19 
1920 01 -4.94 -99.99 -99.99 
1920 02  1.92  -1.99    .-3 
1920 03   .37  -5.54  -2.58 
1920 04  4.83  -4.69    . 6 
1920 05 11.02  -4.14   3.44 
1920 06 14.63    .-5   7.29 
1920 07 19.70   1.94  10.82 
1920 08 14.41 -99.99 -99.99 
1920 09 10.94 -99.99 -99.99 
1920 10  4.64   -.42   2.10 
1920 11  2.56  -4.19   -.81 
1921 01 -3.90  -9.02  -6.46 
1921 02  -.63 -99.99 -99.99 
1921 03  -.66  -5.08  -2.87 
1921 04  7.45    .79   4.12 
1921 05 99.99   3.20 -99.99 
