Frequencies for s5_c6_4 variable in hcris2552_10_2013 dataset :

       capd |
  exchanges |
    per day |
    s500000 |
00400 00600 |      Freq.     Percent        Cum.
------------+-----------------------------------
        .33 |          1        0.02        0.02
          1 |          1        0.02        0.03
          2 |          1        0.02        0.05
          3 |          3        0.05        0.10
          4 |         50        0.80        0.90
        4.5 |          1        0.02        0.91
          5 |         13        0.21        1.12
          6 |          2        0.03        1.15
          7 |          1        0.02        1.17
          8 |          1        0.02        1.18
         10 |          8        0.13        1.31
         16 |          1        0.02        1.33
         19 |          1        0.02        1.34
         22 |          1        0.02        1.36
         24 |          1        0.02        1.38
         25 |          1        0.02        1.39
         37 |          1        0.02        1.41
         41 |          1        0.02        1.42
         59 |          1        0.02        1.44
          . |      6,158       98.56      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018