Frequencies for first 10,000 rows of payoth variable in namcs2013 dataset :

   Expected |
  source of |
payment for |
     visit: |
      Other |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,600       96.00       96.00
        Yes |        400        4.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017