Frequencies for first 10,000 rows of rept_cod variable in demo2009q3 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        579        5.79        5.79
        EXP |      8,498       84.98       90.77
        PER |        923        9.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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