Frequencies for first 10,000 rows of empstat variable in namcs2002 dataset :

 Employment |
  status of |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
      Owner |      7,399       73.99       73.99
   Employee |      2,162       21.62       95.61
 Contractor |        439        4.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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