Frequencies for first 10,000 rows of brnch_oprtn_sw variable in pos2009 dataset :

     BRANCH |
  OPERATION |
  INDICATOR |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,205       82.05       82.05
          N |      1,639       16.39       98.44
          Y |        156        1.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017