Frequencies for d_4_hos_c2_55 variable in hosp_rollup2552_96_2010 dataset :

d_4_hos_c2_ |
         55 |      Freq.     Percent        Cum.
------------+-----------------------------------
         12 |          1        0.02        0.02
         35 |          2        0.05        0.07
        167 |          1        0.02        0.10
        275 |          1        0.02        0.12
        437 |          1        0.02        0.15
       1706 |          2        0.05        0.20
      14277 |          1        0.02        0.22
      19814 |          1        0.02        0.25
      47520 |          1        0.02        0.27
      52356 |          1        0.02        0.30
      91106 |          1        0.02        0.32
          . |      3,992       99.68      100.00
------------+-----------------------------------
      Total |      4,005      100.00

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