Frequencies for d_4_irf_c11_9201 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
      _9201 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          6 |          1        0.02        0.03
          8 |          1        0.02        0.05
         18 |          1        0.02        0.07
         54 |          1        0.02        0.08
        134 |          1        0.02        0.10
        161 |          1        0.02        0.11
          . |      6,143       99.89      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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