Frequencies for first 10,000 rows of rept_cod variable in demo2008q4 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        790        7.90        7.90
        EXP |      7,171       71.71       79.61
        PER |      2,039       20.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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