Frequencies for d_4_hos_c2_52 variable in hosp_rollup2552_96_2009 dataset :

d_4_hos_c2_ |
         52 |      Freq.     Percent        Cum.
------------+-----------------------------------
         56 |          1        0.02        0.02
        109 |          1        0.02        0.03
        261 |          1        0.02        0.05
        657 |          1        0.02        0.06
        711 |          1        0.02        0.08
       1534 |          1        0.02        0.09
       4712 |          1        0.02        0.11
       4965 |          1        0.02        0.13
      18103 |          2        0.03        0.16
      86225 |          1        0.02        0.17
      94421 |          1        0.02        0.19
     104374 |          1        0.02        0.20
     104592 |          1        0.02        0.22
     105965 |          1        0.02        0.24
     168236 |          1        0.02        0.25
          . |      6,344       99.75      100.00
------------+-----------------------------------
      Total |      6,360      100.00

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