Frequencies for first 10,000 rows of eordere variable in nhamcsed2008 dataset :

   if yes, are |
   orders sent |
electronically |
             ? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |         70        0.70        0.70
       unknown |        202        2.02        2.72
not applicable |      1,028       10.28       13.00
           yes |      8,302       83.02       96.02
            no |        398        3.98      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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