Frequencies for d_4_irf_c11_56 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _56 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          3 |          1        0.02        0.03
          4 |          1        0.02        0.05
          5 |          1        0.02        0.07
          9 |          1        0.02        0.08
         15 |          1        0.02        0.10
         45 |          1        0.02        0.11
         47 |          1        0.02        0.13
         71 |          1        0.02        0.15
         76 |          1        0.02        0.16
        121 |          1        0.02        0.18
        131 |          1        0.02        0.20
        743 |          1        0.02        0.21
          . |      6,137       99.79      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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