Frequencies for first 10,000 rows of occp_cod variable in demo2012q1 dataset :

Abbreviatio |
  n for the |
 reporter's |
    type of |
 occupation |
     in the |
     latest |
 version of |
       a ca |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        409        4.09        4.09
         CN |      3,901       39.01       43.10
         LW |        400        4.00       47.10
         MD |      3,039       30.39       77.49
         OT |      1,741       17.41       94.90
         PH |        510        5.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015