Frequencies for first 10,000 rows of rept_cod variable in demo2010q4 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        433        4.33        4.33
        EXP |      7,810       78.10       82.43
        PER |      1,757       17.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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