Frequencies for first 10,000 rows of rept_cod variable in demo2005q4 dataset :

   Code for |
the type of |
     report |
  submitted |      Freq.     Percent        Cum.
------------+-----------------------------------
        DIR |        817        8.17        8.17
        EXP |      8,684       86.84       95.01
        PER |        499        4.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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