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

       Type of |
       payment |
 accepted from |
 new patients: |
      Worker's |
  Compensation |      Freq.     Percent        Cum.
---------------+-----------------------------------
         Blank |        102        1.02        1.02
       Unknown |        427        4.27        5.29
Not applicable |        583        5.83       11.12
           Yes |      4,870       48.70       59.82
            No |      4,018       40.18      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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