Frequencies for first 10,000 rows of foot variable in namcs2011 dataset :

  Foot exam |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,596       95.96       95.96
        Yes |        404        4.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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