Frequencies for d_4_irf_c13_73 variable in prds_hosp10_yr2010 dataset :

d_4_irf_c13 |
        _73 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          2 |          2        0.09        0.13
          3 |          2        0.09        0.22
          4 |          3        0.13        0.34
         10 |          1        0.04        0.39
         11 |          1        0.04        0.43
         22 |          1        0.04        0.47
         27 |          1        0.04        0.52
         31 |          1        0.04        0.56
         40 |          1        0.04        0.60
        218 |          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