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

    Whether |
      (Y/N) |
  voluntary |
   reporter |
       also |
   notified |
manufacture |
   r (blank |
        for |
  manufactu |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,684       96.84       96.84
          N |        264        2.64       99.48
          Y |         52        0.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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