Frequencies for first 10,000 rows of edemogo variable in nhamcsopd2009 dataset :

 does opd have |
  computerized |
system for pat |
   demographic |
         info? |      Freq.     Percent        Cum.
---------------+-----------------------------------
       unknown |         33        0.33        0.33
           yes |      8,924       89.24       89.57
            no |      1,043       10.43      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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