Frequencies for first 10,000 rows of occp_cod_num variable in demo2010q4 dataset :

                occp_cod_num |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                 CN Consumer |      3,271       32.71       32.71
                   LW Lawyer |        353        3.53       36.24
                MD Physician |      2,936       29.36       65.60
OT Other health-professional |      2,103       21.03       86.63
               PH Pharmacist |        522        5.22       91.85
                           . |        815        8.15      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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