Frequencies for first 10,000 rows of eorder variable in namcs2008 dataset :

   if yes, are |
   orders sent |
electronically |
             ? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        410        4.10        4.10
       unknown |        332        3.32        7.42
not applicable |      5,781       57.81       65.23
           yes |      2,477       24.77       90.00
            no |        929        9.29       99.29
    turned off |         71        0.71      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016