Frequencies for d_4_irf_c11_51 variable in prds_hosp10_yr2010 dataset :

d_4_irf_c11 |
        _51 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.13        0.13
          2 |          2        0.09        0.22
          3 |          1        0.04        0.26
          4 |          3        0.13        0.39
          6 |          1        0.04        0.43
          7 |          2        0.09        0.52
         11 |          2        0.09        0.60
         13 |          1        0.04        0.65
         27 |          1        0.04        0.69
         33 |          1        0.04        0.73
         80 |          1        0.04        0.77
          . |      2,305       99.23      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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