Frequencies for d_4_irf_c11_55 variable in prds_hosp10_yr2014 dataset :

d_4_irf_c11 |
        _55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |          1        0.02        0.02
         14 |          1        0.02        0.03
         16 |          1        0.02        0.05
         17 |          2        0.03        0.08
         18 |          1        0.02        0.10
         20 |          1        0.02        0.11
         26 |          1        0.02        0.13
         38 |          1        0.02        0.14
         47 |          1        0.02        0.16
         86 |          1        0.02        0.18
        171 |          1        0.02        0.19
        191 |          1        0.02        0.21
        275 |          1        0.02        0.22
        450 |          1        0.02        0.24
        541 |          1        0.02        0.26
       1991 |          1        0.02        0.27
          . |      6,231       99.73      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018