Frequencies for d_4_irf_c11_53 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _53 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |          4        0.07        0.08
          3 |          2        0.03        0.11
          4 |          2        0.03        0.15
          6 |          2        0.03        0.18
         10 |          1        0.02        0.20
         12 |          3        0.05        0.24
         22 |          1        0.02        0.26
         25 |          1        0.02        0.28
         53 |          1        0.02        0.29
         57 |          1        0.02        0.31
         75 |          1        0.02        0.33
         92 |          1        0.02        0.34
         99 |          2        0.03        0.37
        101 |          1        0.02        0.39
        111 |          1        0.02        0.41
        142 |          1        0.02        0.42
        214 |          1        0.02        0.44
        233 |          1        0.02        0.46
        575 |          1        0.02        0.47
        736 |          1        0.02        0.49
       1292 |          1        0.02        0.50
       2375 |          1        0.02        0.52
          . |      6,118       99.48      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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