Frequencies for first 10,000 rows of rept_cod variable in demo2008q3 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        932        9.32        9.32
        EXP |      7,729       77.29       86.61
        PER |      1,339       13.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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