Frequencies for first 10,000 rows of occp_cod variable in demo2013q4 dataset :

Abbreviatio |
  n for the |
 reporter's |
    type of |
 occupation |
     in the |
     latest |
 version of |
       a ca |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        478        4.78        4.78
         CN |      4,611       46.11       50.89
         LW |        418        4.18       55.07
         MD |      2,159       21.59       76.66
         OT |      1,815       18.15       94.81
         PH |        511        5.11       99.92
         RN |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017