Frequencies for d_4_irf_c11_57 variable in prds_hosp10_yr2010 dataset :

d_4_irf_c11 |
        _57 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          2 |          1        0.04        0.09
          3 |          1        0.04        0.13
         10 |          2        0.09        0.22
         11 |          1        0.04        0.26
         13 |          1        0.04        0.30
         19 |          1        0.04        0.34
         22 |          2        0.09        0.43
         50 |          1        0.04        0.47
         57 |          1        0.04        0.52
         61 |          1        0.04        0.56
         62 |          1        0.04        0.60
        117 |          1        0.04        0.65
          . |      2,308       99.35      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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