Frequencies for d_4_hos_c7_55 variable in hosp_rollup2552_96_2002 dataset :

d_4_hos_c7_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          9 |          1        0.02        0.05
         18 |          2        0.03        0.08
         37 |          1        0.02        0.10
         59 |          1        0.02        0.11
         72 |          1        0.02        0.13
         93 |          1        0.02        0.15
        116 |          1        0.02        0.16
        364 |          1        0.02        0.18
        693 |          1        0.02        0.20
        766 |          1        0.02        0.21
        904 |          1        0.02        0.23
       1246 |          1        0.02        0.24
       2309 |          1        0.02        0.26
       2414 |          1        0.02        0.28
       2522 |          1        0.02        0.29
       3573 |          1        0.02        0.31
       5148 |          1        0.02        0.33
       7235 |          1        0.02        0.34
       7294 |          1        0.02        0.36
       9533 |          1        0.02        0.38
      10519 |          1        0.02        0.39
      10851 |          1        0.02        0.41
      13296 |          1        0.02        0.42
      36314 |          1        0.02        0.44
          . |      6,097       99.56      100.00
------------+-----------------------------------
      Total |      6,124      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018