Frequencies for first 10,000 rows of occp_cod_num variable in demo2018q3 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      3,960       39.60       39.60
                   LW Lawyer |        174        1.74       41.34
                MD Physician |      3,115       31.15       72.49
OT Other health-professional |      2,164       21.64       94.13
               PH Pharmacist |        211        2.11       96.24
                           . |        376        3.76      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Mar 2019