Frequencies for first 10,000 rows of limitqty variable in bencs2015 dataset :

      Limit |
   Quantity |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        462        4.62        4.62
          2 |         38        0.38        5.00
          4 |          2        0.02        5.02
         20 |        122        1.22        6.24
         35 |        607        6.07       12.31
         60 |        121        1.21       13.52
          . |      8,648       86.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Dec 2017