Frequencies for d_4_irf_c11_90 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          2 |          2        0.03        0.07
          4 |          1        0.02        0.08
          5 |          1        0.02        0.10
          6 |          1        0.02        0.11
          8 |          2        0.03        0.15
         11 |          1        0.02        0.16
         12 |          1        0.02        0.18
         26 |          1        0.02        0.20
         99 |          1        0.02        0.21
        248 |          1        0.02        0.23
          . |      6,136       99.77      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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