Frequencies for d_4_ipf_c13_54 variable in prds_hosp10_yr2011 dataset :

d_4_ipf_c13 |
        _54 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         11        0.18        0.18
          2 |          5        0.08        0.26
          3 |          4        0.07        0.33
          4 |          2        0.03        0.36
          5 |          4        0.07        0.42
          6 |          1        0.02        0.44
          7 |          3        0.05        0.49
          9 |          3        0.05        0.54
         10 |          1        0.02        0.55
         13 |          1        0.02        0.57
         14 |          2        0.03        0.60
         30 |          1        0.02        0.62
         38 |          2        0.03        0.65
         53 |          1        0.02        0.67
         72 |          1        0.02        0.68
        104 |          1        0.02        0.70
       9503 |          1        0.02        0.72
          . |      6,106       99.28      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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