Frequencies for first 10,000 rows of rept_cod variable in demo2004q4 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |      1,210       12.10       12.10
        EXP |      8,013       80.13       92.23
        PER |        777        7.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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