Frequencies for first 10,000 rows of physcomp variable in namcs2012 dataset :

    Which of the following methods best |
     describes your basic compensation? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                             Don't know |        362        3.62        3.62
                      Refused to answer |         70        0.70        4.32
                           Fixed salary |      2,665       26.65       30.97
 Share of practice billings or workload |      2,736       27.36       58.33
Mix of salary and share of billings or  |      2,979       29.79       88.12
Shift, hourly or other time-based payme |        225        2.25       90.37
                                  Other |        963        9.63      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016