Frequencies for first 10,000 rows of empstat variable in namcs2007 dataset :

 employment |
  status of |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
      owner |      6,145       61.45       61.45
   employee |      3,469       34.69       96.14
 contractor |        386        3.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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