Frequencies for first 10,000 rows of othermd variable in nhamcsopd2004 dataset :

   other md |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,619       96.19       96.19
        yes |        381        3.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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