Frequencies for d_4_irf_c11_55 variable in prds_hosp10_yr2015 dataset :

d_4_irf_c11 |
        _55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.05        0.05
          2 |          1        0.02        0.06
          3 |          2        0.03        0.10
          4 |          1        0.02        0.11
          5 |          2        0.03        0.14
          6 |          1        0.02        0.16
          8 |          1        0.02        0.18
          9 |          1        0.02        0.19
         10 |          1        0.02        0.21
         18 |          2        0.03        0.24
         63 |          1        0.02        0.26
         70 |          1        0.02        0.27
         75 |          1        0.02        0.29
         81 |          1        0.02        0.30
        102 |          1        0.02        0.32
        232 |          1        0.02        0.34
        268 |          1        0.02        0.35
        319 |          1        0.02        0.37
        358 |          1        0.02        0.38
       2454 |          1        0.02        0.40
          . |      6,233       99.60      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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