Frequencies for first 10,000 rows of occp_cod_num variable in demo2005q1 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      2,050       20.50       20.50
                   LW Lawyer |        365        3.65       24.15
                MD Physician |      2,967       29.67       53.82
OT Other health-professional |      1,212       12.12       65.94
               PH Pharmacist |        639        6.39       72.33
                           . |      2,767       27.67      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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