Frequencies for d_4_irf_c11_52 variable in prds_hosp10_yr2012 dataset :

d_4_irf_c11 |
        _52 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
          2 |          3        0.05        0.08
          4 |          1        0.02        0.10
         32 |          1        0.02        0.11
         48 |          1        0.02        0.13
         68 |          1        0.02        0.14
         79 |          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