Frequencies for first 10,000 rows of brnch_cnt variable in pos2008 dataset :

   branches |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,846       98.46       98.46
          1 |         85        0.85       99.31
          2 |         45        0.45       99.76
          3 |         15        0.15       99.91
          4 |          2        0.02       99.93
          5 |          3        0.03       99.96
          6 |          1        0.01       99.97
          7 |          2        0.02       99.99
         11 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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