Frequencies for d_4_irf_c13_90 variable in prds_hosp10_yr2016 dataset :

d_4_irf_c13 |
        _90 |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |          3        0.05        0.05
          5 |          1        0.02        0.06
          6 |          1        0.02        0.08
          . |      6,177       99.92      100.00
------------+-----------------------------------
      Total |      6,182      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018