Frequencies for first 10,000 rows of paynochg variable in nhamcsopd2011 dataset :

   Expected |
  source of |
  payment - |
         No |
charge/Char |
        ity |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,646       96.46       96.46
        Yes |        354        3.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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