1921 06 99.99 -99.99  12.50 
1921 07 99.99 -99.99  15.70 
1921 08 99.99 -99.99  13.40 
1921 09 99.99 -99.99  10.40 
1921 10 99.99 -99.99   8.10 
1921 11 99.99 -99.99    .40 
1921 12 99.99 -99.99   2.00 
1922 01 99.99 -99.99  -2.50 
1922 02 99.99 -99.99  -2.60 
1922 03 99.99 -99.99   1.20 
1922 04 99.99 -99.99   3.50 
1922 05 99.99 -99.99   8.20 
1922 06 99.99 -99.99  12.40 
1922 07 99.99 -99.99  14.30 
1922 08 99.99 -99.99  12.90 
1922 09 99.99 -99.99   9.89 
1922 10 99.99 -99.99   3.60 
1922 11 99.99 -99.99   3.00 
1922 12 99.99 -99.99   2.50 
1923 01 99.99 -99.99   1.90 
1923 02 99.99 -99.99  -2.30 
1923 03 99.99 -99.99   2.50 
1923 04 99.99 -99.99   3.90 
1923 05 99.99 -99.99   7.20 
1923 06 99.99 -99.99   9.80 
1923 07 99.99 -99.99  15.10 
1923 08 99.99 -99.99  12.40 
1923 09 99.99 -99.99  10.20 
1923 10 99.99 -99.99   7.20 
1923 11 99.99 -99.99    .90 
1923 12 99.99 -99.99  -2.20 
1924 01 99.99 -99.99   -.90 
1924 02 99.99 -99.99  -1.80 
1924 03 99.99 -99.99  -2.30 
1924 04 99.99 -99.99   2.60 
1924 05 99.99 -99.99   7.80 
1924 06 99.99 -99.99  11.60 
1924 07 99.99 -99.99  13.40 
1924 08 99.99 -99.99  14.00 
1924 09 99.99 -99.99  11.40 
1924 10 99.99 -99.99   7.80 
1924 11 99.99 -99.99   5.30 
1924 12 99.99 -99.99   5.20 
1925 01 99.99 -99.99   3.20 
1925 02 99.99 -99.99   1.90 
1925 03 99.99 -99.99    .20 
1925 04 99.99 -99.99   5.60 
1925 05 99.99 -99.99  10.20 
1925 06 99.99 -99.99  13.70 
1925 07 99.99 -99.99  17.90 
1925 08 99.99 -99.99  14.50 
1925 09 99.99 -99.99  10.10 
1925 10 99.99 -99.99   5.90 
1925 11 99.99 -99.99    .80 
1925 12 99.99 -99.99  -2.50 
1926 01 99.99 -99.99    .40 
1926 02 99.99 -99.99  -1.20 
1926 03 99.99 -99.99   2.09 
1926 04 99.99 -99.99   6.60 
1926 05 99.99 -99.99   8.50 
1926 06 99.99 -99.99  13.40 
1926 07 99.99 -99.99  16.50 
1926 08 99.99 -99.99  14.50 
1926 09 99.99 -99.99  11.00 
1926 10 99.99 -99.99   3.60 
1926 11 99.99 -99.99   4.50 
1926 12 99.99 -99.99   -.50 
