Frequencies for first 10,000 rows of occp_cod_num variable in demo2011q3 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      3,933       39.33       39.33
                   LW Lawyer |        589        5.89       45.22
                MD Physician |      2,784       27.84       73.06
OT Other health-professional |      1,972       19.72       92.78
               PH Pharmacist |        470        4.70       97.48
                           . |        252        2.52      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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