Frequencies for d_4_ipf_c13_91 variable in prds_hosp10_yr2011 dataset :

d_4_ipf_c13 |
        _91 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.07        0.07
          2 |          6        0.10        0.16
          3 |          2        0.03        0.20
          4 |          3        0.05        0.24
          7 |          1        0.02        0.26
         10 |          1        0.02        0.28
         22 |          1        0.02        0.29
         31 |          2        0.03        0.33
         38 |          1        0.02        0.34
         44 |          1        0.02        0.36
         53 |          1        0.02        0.37
        114 |          1        0.02        0.39
        321 |          1        0.02        0.41
        403 |          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