Frequencies for first 10,000 rows of e_sub variable in demo2009q4 dataset :

      (Y/N) |
 report was |
  submitted |
  under the |
 electronic |
submissions |
  procedure |
 for manufa |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      1,346       13.46       13.46
          Y |      8,654       86.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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