Frequencies for s5_c4_4 variable in hcris2552_10_2012 dataset :

       capd |
  exchanges |
    per day |
    s500000 |
00400 00400 |      Freq.     Percent        Cum.
------------+-----------------------------------
        .18 |          1        0.02        0.02
        .22 |          1        0.02        0.03
        .24 |          1        0.02        0.05
        .44 |          1        0.02        0.06
        .82 |          1        0.02        0.08
          1 |          6        0.10        0.18
          3 |          2        0.03        0.21
        3.5 |          1        0.02        0.22
          4 |         26        0.42        0.64
        4.5 |          1        0.02        0.66
          5 |          3        0.05        0.71
          7 |          2        0.03        0.74
          . |      6,181       99.26      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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