Frequencies for d_4_ipf_c13_60 variable in prds_hosp10_yr2015 dataset :

d_4_ipf_c13 |
        _60 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          3 |          1        0.02        0.03
          4 |          2        0.03        0.06
          5 |          1        0.02        0.08
          6 |          1        0.02        0.10
          8 |          1        0.02        0.11
         11 |          2        0.03        0.14
         47 |          1        0.02        0.16
        240 |          1        0.02        0.18
          . |      6,247       99.82      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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