Frequencies for d_4_ipf_c13_90 variable in prds_hosp10_yr2012 dataset :

d_4_ipf_c13 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          4 |          1        0.02        0.03
          9 |          1        0.02        0.05
         10 |          1        0.02        0.06
         14 |          1        0.02        0.08
         20 |          1        0.02        0.10
         27 |          1        0.02        0.11
        108 |          1        0.02        0.13
        846 |          1        0.02        0.14
       5152 |          1        0.02        0.16
          . |      6,217       99.84      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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