1921 03  6.98  -2.29   2.34 
1921 04  8.00   1.19   4.59 
1921 05 13.40   3.83   8.61 
1921 06 15.54   7.20  11.37 
1921 07 16.94   8.75  12.84 
1921 08 20.58   9.20  14.89 
1923 05 13.79   4.58   9.18 
1923 06 19.60   7.93  13.76 
1923 07 20.34  10.18  15.26 
1923 08 21.93  10.93  16.43 
1923 09 16.37   8.68  12.52 
1923 10 14.51   5.58  10.04 
1923 11  9.87   3.87   6.87 
1923 12  6.25   1.01   3.63 
1924 01  4.83   -.42   2.20 
1924 02  6.12   1.16   3.64 
1924 03  7.99    .78   4.38 
1924 04  7.44    .52   3.98 
1924 05 14.64   6.25  10.44 
1924 06 20.14   6.96  13.54 
1924 07 19.41   9.80  14.60 
1924 08 19.87   9.93  14.90 
1924 09 15.17   8.70  11.93 
1924 10 11.97   4.10   8.03 
1924 11  9.45    .33   4.89 
1924 12  3.48  -2.85    .31 
1925 01  3.41  -1.39   1.01 
1925 02 99.99  -2.63 -99.99 
1925 03  8.43   1.55   4.99 
1925 04 10.54   5.37   7.95 
1925 05 15.27   4.92  10.10 
1925 06 18.21   8.08  13.15 
1925 07 19.29   8.97  14.13 
1925 08 19.77  10.59  15.18 
1925 09 19.03   8.08  13.55 
1925 11 99.99   4.81 -99.99 
1926 01  7.84   4.77   6.30 
1926 02  6.56   2.64   4.60 
1926 03  8.97   5.15   7.06 
1926 04 15.49   5.20  10.34 
1926 05 15.19   5.92  10.55 
1926 06 20.20   7.35  13.77 
1926 07 19.91  10.48  15.19 
1926 08 22.60  10.08  16.34 
1926 09 21.79   5.07  13.43 
1926 10 18.60   6.79  12.69 
1926 11 12.85   2.11   7.48 
1926 12  8.72   3.26   5.99 
1927 01  5.92  -5.93    . 0 
1927 02  5.02  -1.27   1.87 
1927 03  7.63   -.36   3.63 
1927 04  8.22    .78   4.50 
1927 05 12.65   3.71   8.18 
1927 06 17.90   8.70  13.29 
1927 07 20.88  13.32  17.09 
1927 08 21.06  10.53  15.79 
1927 09 15.19   7.66  11.42 
1927 10  8.84   5.00   6.92 
1927 11  5.98  -2.56   1.71 
1927 12  3.80  -3.92    .-6 
1928 01  5.65   1.16   3.40 
1928 02  6.28   1.19   3.73 
1928 03  9.68   3.60   6.64 
1928 04 15.49   5.74  10.61 
1928 05 14.52   6.33  10.42 
1929 11  6.03 -99.99 -99.99 
1929 12   .21 -99.99 -99.99 
1930 02  3.31 -99.99 -99.99 
1930 04  8.49 -99.99 -99.99 
1930 05 10.08   3.70   6.89 
1930 06 13.39   6.12   9.75 
1930 07 16.10   9.85  12.97 
1930 09 14.29   8.10  11.19 
1930 10  7.11   2.47   4.79 
1930 11 99.99    .96 -99.99 
1930 12  5.59   1.50   3.54 
1931 03  5.39   -.21   2.59 
1931 04 10.77   2.08   6.43 
1931 10 11.54   5.10   8.32 
1932 02  2.60  -1.79    .40 
