Frequencies for d_4_ipf_c13_91 variable in prds_hosp10_yr2015 dataset :

d_4_ipf_c13 |
        _91 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.11        0.11
          2 |          2        0.03        0.14
          3 |          1        0.02        0.16
          6 |          3        0.05        0.21
          7 |          2        0.03        0.24
          9 |          2        0.03        0.27
         25 |          1        0.02        0.29
         43 |          1        0.02        0.30
         51 |          1        0.02        0.32
         63 |          2        0.03        0.35
         75 |          1        0.02        0.37
        341 |          1        0.02        0.38
        420 |          1        0.02        0.40
        520 |          1        0.02        0.42
          . |      6,232       99.58      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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