1919 11 -5.44 -11.36  -8.39 
1919 12 11.09 -18.89 -14.99 
1920 02 15.68 -27.81 -21.74 
1920 03 15.52 -28.22 -21.87 
1920 04 11.89 -24.32 -18.10 
1920 05   .92  -5.88  -2.48 
1920 08 13.31   5.21   9.26 
1920 09  6.43    .-9   3.16 
1920 10 -2.05  -7.71  -4.88 
1920 11 10.02 -15.91 -12.96 
1920 12 17.26 -24.79 -21.02 
1921 01 15.35 -25.50 -20.42 
1921 02 17.54 -25.82 -21.68 
1921 03 -8.62 -18.53 -13.57 
1921 04 -6.10 -15.96 -11.03 
1921 05  5.44  -2.71   1.36 
1925 04 -3.52 -14.68  -9.10 
1925 05  8.84  -2.50   3.17 
1925 10  2.39  -3.55   -.57 
1925 11 -6.47 -14.30 -10.38 
1925 12 16.99 -26.25 -21.62 
1926 01 13.12 -25.05 -19.08 
1926 02 23.11 -32.72 -27.91 
1926 03 -6.74 -19.43 -13.08 
1926 04 -2.24 -12.80  -7.52 
1926 05  5.41  -5.18    .11 
1926 06 15.81   3.22   9.51 
1926 09 12.45   4.84   8.64 
1926 10  2.61  -4.50   -.94 
1926 11 -3.65  -9.60  -6.63 
1926 12 18.36 -27.99 -23.17 
1927 01 -9.85 -24.72 -17.28 
1927 02 14.66 -25.16 -19.91 
1927 03 19.19 -31.13 -25.16 
1927 04 -9.10 -22.58 -15.84 
1927 05  3.58  -6.00  -1.21 
1927 06 17.18   4.98  11.08 
1927 09  5.66  -1.79   1.93 
1927 10 -1.67  -9.55  -5.61 
1927 11 -9.18 -18.21 -13.70 
1927 12 10.51 -21.78 -16.14 
1928 01 11.48 -22.81 -17.14 
1928 02 -9.30 -18.12 -13.71 
1928 03 99.99 -24.47 -99.99 
1928 04 99.99 -11.29 -99.99 
1928 05 99.99  -3.92 -99.99 
1928 12 14.14 -25.53 -19.83 
