Frequencies for d_4_irf_c11_90 variable in prds_hosp10_yr2015 dataset :

d_4_irf_c11 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.11        0.11
          2 |          3        0.05        0.16
          3 |          3        0.05        0.21
          4 |          1        0.02        0.22
          5 |          2        0.03        0.26
          6 |          2        0.03        0.29
          7 |          1        0.02        0.30
          9 |          1        0.02        0.32
         50 |          1        0.02        0.34
         67 |          1        0.02        0.35
         78 |          1        0.02        0.37
         85 |          1        0.02        0.38
        123 |          1        0.02        0.40
          . |      6,233       99.60      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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