Frequencies for first 10,000 rows of physasst variable in nhamcsed2013 dataset :

  Physician |
  assistant |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      8,586       85.86       85.86
        Yes |      1,414       14.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016