Frequencies for d_4_irf_c11_53 variable in prds_hosp10_yr2013 dataset :

d_4_irf_c11 |
        _53 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          6        0.10        0.10
          2 |          4        0.06        0.16
          3 |          3        0.05        0.21
          4 |          2        0.03        0.24
          8 |          1        0.02        0.26
          9 |          1        0.02        0.27
         10 |          2        0.03        0.30
         13 |          1        0.02        0.32
         33 |          1        0.02        0.34
         43 |          1        0.02        0.35
         51 |          1        0.02        0.37
         58 |          1        0.02        0.38
         66 |          1        0.02        0.40
         73 |          1        0.02        0.42
         85 |          1        0.02        0.43
         89 |          1        0.02        0.45
        100 |          1        0.02        0.46
        113 |          1        0.02        0.48
        286 |          1        0.02        0.50
        470 |          1        0.02        0.51
        686 |          1        0.02        0.53
        828 |          1        0.02        0.54
       1571 |          1        0.02        0.56
          . |      6,213       99.44      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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