Frequencies for first 10,000 rows of rept_cod variable in demo2010q3 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        316        3.16        3.16
        EXP |      6,893       68.93       72.09
        PER |      2,791       27.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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