Frequencies for d_4_ipf_c11_52 variable in prds_hosp10_yr2015 dataset :

d_4_ipf_c11 |
        _52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          4 |          2        0.03        0.05
          5 |          1        0.02        0.06
          6 |          1        0.02        0.08
          7 |          1        0.02        0.10
         42 |          1        0.02        0.11
         48 |          1        0.02        0.13
         57 |          1        0.02        0.14
        473 |          1        0.02        0.16
          . |      6,248       99.84      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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