Frequencies for d_4_ipf_c11_55 variable in prds_hosp10_yr2012 dataset :

d_4_ipf_c11 |
        _55 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          2 |          1        0.02        0.03
          4 |          1        0.02        0.05
          5 |          1        0.02        0.06
         13 |          1        0.02        0.08
         25 |          1        0.02        0.10
        100 |          1        0.02        0.11
          . |      6,220       99.89      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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