Frequencies for first 10,000 rows of occp_cod_num variable in demo2005q4 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      1,004       10.04       10.04
                   LW Lawyer |      3,255       32.55       42.59
                MD Physician |      2,270       22.70       65.29
OT Other health-professional |        907        9.07       74.36
               PH Pharmacist |      1,152       11.52       85.88
                           . |      1,412       14.12      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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