Frequencies for first 10,000 rows of occp_cod_num variable in demo2016q4 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      4,202       42.02       42.02
                   LW Lawyer |        191        1.91       43.93
                MD Physician |      3,213       32.13       76.06
OT Other health-professional |      1,842       18.42       94.48
               PH Pharmacist |        220        2.20       96.68
                           . |        332        3.32      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Sep 2017