Frequencies for d_4_hos_c7_55 variable in hosp_rollup2552_96_2008 dataset :

d_4_hos_c7_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
         43 |          1        0.02        0.02
         44 |          1        0.02        0.03
         84 |          1        0.02        0.05
        108 |          1        0.02        0.06
        170 |          1        0.02        0.08
        553 |          1        0.02        0.09
       1118 |          1        0.02        0.11
       1294 |          1        0.02        0.13
       1506 |          1        0.02        0.14
       3006 |          1        0.02        0.16
       6571 |          1        0.02        0.17
       6719 |          1        0.02        0.19
      11503 |          1        0.02        0.20
      11821 |          1        0.02        0.22
      14129 |          1        0.02        0.24
      21655 |          1        0.02        0.25
      44032 |          1        0.02        0.27
      71282 |          1        0.02        0.28
     130152 |          1        0.02        0.30
     181715 |          1        0.02        0.31
          . |      6,354       99.69      100.00
------------+-----------------------------------
      Total |      6,374      100.00

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