Frequencies for first 10,000 rows of occp_cod_num variable in demo2017q1 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      4,078       40.78       40.78
                   LW Lawyer |        236        2.36       43.14
                MD Physician |      3,382       33.82       76.96
OT Other health-professional |      1,789       17.89       94.85
               PH Pharmacist |        327        3.27       98.12
                           . |        188        1.88      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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