Frequencies for d_4_irf_c11_57 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _57 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          2 |          2        0.03        0.07
          6 |          1        0.02        0.08
          7 |          1        0.02        0.10
          8 |          1        0.02        0.11
         11 |          1        0.02        0.13
         12 |          1        0.02        0.15
         14 |          1        0.02        0.16
         16 |          1        0.02        0.18
         19 |          1        0.02        0.20
         20 |          1        0.02        0.21
         28 |          1        0.02        0.23
         35 |          1        0.02        0.24
         39 |          1        0.02        0.26
         57 |          1        0.02        0.28
         69 |          1        0.02        0.29
         76 |          1        0.02        0.31
        349 |          1        0.02        0.33
          . |      6,130       99.67      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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