Frequencies for d_4_ipf_c13_91 variable in prds_hosp10_yr2010 dataset :

d_4_ipf_c13 |
        _91 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.04        0.04
          2 |          3        0.13        0.17
          3 |          1        0.04        0.22
          4 |          2        0.09        0.30
         14 |          1        0.04        0.34
         46 |          1        0.04        0.39
         53 |          1        0.04        0.43
        121 |          1        0.04        0.47
        242 |          1        0.04        0.52
        696 |          1        0.04        0.56
          . |      2,310       99.44      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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