1919 10 99.99  -1.21 -99.99 
1919 11 99.99  -5.15 -99.99 
1919 12 99.99 -22.34 -99.99 
1920 01 99.99 -23.75 -99.99 
1920 02 99.99 -14.88 -99.99 
1920 03 99.99 -11.47 -99.99 
1920 04 99.99   -.14 -99.99 
1920 05 99.99   7.39 -99.99 
1920 06 21.73  12.82  17.27 
1920 07 23.28  15.77  19.52 
1920 08 25.73  15.05  20.39 
1920 09 17.91   8.60  13.26 
1920 10 14.06   3.87   8.96 
1920 11  1.02  -7.82  -3.40 
1920 12 -3.82 -10.27  -7.04 
1921 01 -6.94 -17.59 -12.26 
1921 02 -5.69 -22.50 -14.09 
1921 03  2.08  -9.35  -3.63 
1921 04 10.42   -.30   5.06 
1921 05 19.32   7.95  13.63 
1921 06 20.70  12.33  16.51 
1921 07 28.93  17.09  23.01 
1921 08 21.26   9.92  15.59 
1921 09 19.26   7.42  13.34 
1921 10 11.74   2.62   7.18 
1921 11   .65  -7.00  -3.17 
1921 12 -5.13 -13.46  -9.29 
1922 01 -9.56 -22.26 -15.91 
1922 02 -6.80 -22.43 -14.61 
1922 03  2.40  -8.42  -3.01 
1922 04 10.00    .57   5.28 
1922 05 17.50   8.14  12.82 
1922 06 21.93  14.16  18.04 
1922 07 25.77  15.30  20.53 
1922 08 22.99  12.15  17.57 
1922 09 19.79 -99.99 -99.99 
1922 10  9.88    .66   5.27 
1922 11  2.35  -4.98  -1.31 
1922 12 -8.17 -16.10 -12.13 
1923 01 -9.26 -20.96 -15.11 
1923 02 10.04 -26.45 -18.24 
1923 03 -4.28 -15.87 -10.07 
1923 04  5.36  -9.29  -1.96 
1923 05 15.91  -1.11   7.40 
