Frequencies for d3_irf_c2_34 variable in prds_hosp10_yr2015 dataset :

d3_irf_c2_3 |
          4 |      Freq.     Percent        Cum.
------------+-----------------------------------
        359 |          1        0.02        0.02
          . |      6,257       99.98      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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