Frequencies for d_4_irf_c11_51 variable in prds_hosp10_yr2011 dataset :

d_4_irf_c11 |
        _51 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          6        0.10        0.10
          2 |          4        0.07        0.16
          4 |          3        0.05        0.21
          6 |          1        0.02        0.23
          8 |          1        0.02        0.24
          9 |          1        0.02        0.26
         14 |          1        0.02        0.28
         33 |          2        0.03        0.31
         38 |          1        0.02        0.33
         42 |          1        0.02        0.34
         64 |          1        0.02        0.36
        203 |          1        0.02        0.37
          . |      6,127       99.63      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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