1913 08 99.99 -99.99  11.90 
1913 09 99.99 -99.99  16.00 
1913 10 99.99 -99.99  21.50 
1913 11 99.99 -99.99  23.40 
1913 12 99.99 -99.99  27.20 
1914 01 99.99 -99.99  27.70 
1914 02 99.99 -99.99  25.40 
1914 03 99.99 -99.99  23.90 
1914 04 99.99 -99.99  21.50 
1914 05 99.99 -99.99  15.80 
1914 06 99.99 -99.99  12.10 
1914 07 99.99 -99.99  10.10 
1914 08 99.99 -99.99  12.60 
1914 09 99.99 -99.99  16.29 
1914 10 99.99 -99.99  19.70 
1914 11 99.99 -99.99  26.00 
1914 12 99.99 -99.99  27.30 
1915 01 99.99 -99.99  25.70 
1915 02 99.99 -99.99  28.20 
1915 03 99.99 -99.99  25.90 
1915 04 99.99 -99.99  20.80 
1915 05 99.99 -99.99  13.70 
1915 06 99.99 -99.99  12.10 
1915 07 99.99 -99.99  13.00 
1915 08 99.99 -99.99  11.80 
1915 10 99.99 -99.99  20.80 
1915 11 99.99 -99.99  25.60 
1915 12 99.99 -99.99  25.00 
1916 01 99.99 -99.99  27.40 
1916 02 99.99 -99.99  28.00 
1916 03 99.99 -99.99  24.20 
1916 04 99.99 -99.99  19.50 
1916 05 99.99 -99.99  15.40 
1916 06 99.99 -99.99  12.50 
