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

 Employment |
  status of |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |          2        0.02        0.02
      Owner |      6,099       60.99       61.01
   Employee |      3,704       37.04       98.05
 Contractor |        195        1.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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