Frequencies for d_4_irf_c13_74 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c13 |
        _74 |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |          1        0.02        0.02
         10 |          1        0.02        0.03
         53 |          1        0.02        0.05
        133 |          1        0.02        0.07
          . |      6,146       99.93      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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