Frequencies for first 10,000 rows of empstat variable in namcs2014 dataset :

 Ownership status |
     of physician |      Freq.     Percent        Cum.
------------------+-----------------------------------
          Unknown |         12        0.12        0.12
Refused to answer |          2        0.02        0.14
       Full-owner |      4,267       42.67       42.81
       Part-owner |      2,611       26.11       68.92
         Employee |      2,850       28.50       97.42
       Contractor |        258        2.58      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017