Frequencies for d_4_irf_c11_74 variable in prds_hosp10_yr2016 dataset :

d_4_irf_c11 |
        _74 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          2 |          2        0.03        0.06
          3 |          2        0.03        0.10
          4 |          1        0.02        0.11
          7 |          1        0.02        0.13
         12 |          2        0.03        0.16
         14 |          2        0.03        0.19
         16 |          1        0.02        0.21
         26 |          1        0.02        0.23
         39 |          1        0.02        0.24
         67 |          1        0.02        0.26
         72 |          1        0.02        0.27
         89 |          1        0.02        0.29
         99 |          1        0.02        0.31
        109 |          1        0.02        0.32
        138 |          1        0.02        0.34
        182 |          1        0.02        0.36
        402 |          1        0.02        0.37
        426 |          1        0.02        0.39
        752 |          1        0.02        0.40
       1943 |          1        0.02        0.42
       2460 |          1        0.02        0.44
          . |      6,155       99.56      100.00
------------+-----------------------------------
      Total |      6,182      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018