Frequencies for d_4_irf_c11_69 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _69 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |          3        0.05        0.07
          3 |          3        0.05        0.11
          4 |          3        0.05        0.16
          5 |          2        0.03        0.20
          7 |          1        0.02        0.21
         10 |          1        0.02        0.23
         13 |          1        0.02        0.24
         29 |          1        0.02        0.26
         55 |          1        0.02        0.28
         60 |          1        0.02        0.29
         62 |          1        0.02        0.31
         88 |          1        0.02        0.33
         91 |          1        0.02        0.34
        111 |          1        0.02        0.36
        208 |          1        0.02        0.37
        226 |          1        0.02        0.39
        361 |          1        0.02        0.41
        561 |          1        0.02        0.42
          . |      6,124       99.58      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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