Frequencies for d_4_hos_c7_55 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c7_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          8 |          1        0.02        0.02
          9 |          1        0.02        0.03
         24 |          1        0.02        0.05
        250 |          1        0.02        0.06
        274 |          1        0.02        0.08
        322 |          1        0.02        0.09
        358 |          1        0.02        0.11
       1073 |          1        0.02        0.13
       1724 |          1        0.02        0.14
       2650 |          1        0.02        0.16
       2755 |          1        0.02        0.17
       3314 |          1        0.02        0.19
       7898 |          1        0.02        0.20
       9421 |          1        0.02        0.22
       9751 |          1        0.02        0.24
      10496 |          1        0.02        0.25
      16170 |          1        0.02        0.27
      74189 |          1        0.02        0.28
     271991 |          1        0.02        0.30
          . |      6,341       99.70      100.00
------------+-----------------------------------
      Total |      6,360      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018