Frequencies for d_4_hos_c2_55 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c2_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          5 |          1        0.02        0.02
         23 |          1        0.02        0.03
         32 |          1        0.02        0.05
         67 |          1        0.02        0.06
         82 |          1        0.02        0.08
        646 |          1        0.02        0.09
        721 |          1        0.02        0.11
       1170 |          1        0.02        0.13
       1351 |          1        0.02        0.14
       1365 |          1        0.02        0.16
       6221 |          1        0.02        0.17
       8542 |          1        0.02        0.19
       9358 |          1        0.02        0.20
      10346 |          1        0.02        0.22
      29982 |          1        0.02        0.24
      38734 |          1        0.02        0.25
      40686 |          1        0.02        0.27
      52075 |          1        0.02        0.28
      52717 |          1        0.02        0.30
     211037 |          1        0.02        0.31
     992600 |          1        0.02        0.33
          . |      6,339       99.67      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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