Frequencies for d_4_ipf_c11_71 variable in prds_hosp10_yr2011 dataset :

d_4_ipf_c11 |
        _71 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          3 |          2        0.03        0.05
         15 |          1        0.02        0.07
         26 |          1        0.02        0.08
         54 |          1        0.02        0.10
          . |      6,144       99.90      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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