Frequencies for first 10,000 rows of occp_cod_num variable in demo2017q3 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      3,845       38.45       38.45
                   LW Lawyer |        244        2.44       40.89
                MD Physician |      3,202       32.02       72.91
OT Other health-professional |      2,204       22.04       94.95
               PH Pharmacist |        253        2.53       97.48
                           . |        252        2.52      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018