Frequencies for d_4_irf_c11_64 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _64 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
          7 |          1        0.02        0.03
         10 |          1        0.02        0.05
         45 |          1        0.02        0.07
         83 |          1        0.02        0.08
          . |      6,145       99.92      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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