Frequencies for first 10,000 rows of compunk variable in namcs2014 dataset :

       Considered in |
         determining |
       compensation: |
             unknown |      Freq.     Percent        Cum.
---------------------+-----------------------------------
   Box is not marked |      9,204       92.04       92.04
       Box is marked |        796        7.96      100.00
---------------------+-----------------------------------
               Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017