Frequencies for d_4_irf_c11_90 variable in prds_hosp10_yr2010 dataset :

d_4_irf_c11 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.04        0.04
          3 |          3        0.13        0.17
          4 |          1        0.04        0.22
          5 |          1        0.04        0.26
         27 |          1        0.04        0.30
         60 |          1        0.04        0.34
         92 |          1        0.04        0.39
        154 |          1        0.04        0.43
        289 |          1        0.04        0.47
          . |      2,312       99.53      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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