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

    Whether |
      (Y/N) |
  voluntary |
   reporter |
       also |
   notified |
manufacture |
   r (blank |
        for |
  manufactu |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,790       87.90       87.90
          N |      1,129       11.29       99.19
          Y |         81        0.81      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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