Frequencies for d_4_ipf_c13_90 variable in prds_hosp10_yr2015 dataset :

d_4_ipf_c13 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          2 |          1        0.02        0.05
          4 |          2        0.03        0.08
         17 |          1        0.02        0.10
         34 |          1        0.02        0.11
         61 |          1        0.02        0.13
        349 |          1        0.02        0.14
        450 |          1        0.02        0.16
        828 |          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