Frequencies for d_4_irf_c11_51 variable in prds_hosp10_yr2012 dataset :

d_4_irf_c11 |
        _51 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          5        0.08        0.08
          2 |          4        0.06        0.14
          3 |          2        0.03        0.18
          4 |          4        0.06        0.24
          6 |          3        0.05        0.29
         10 |          2        0.03        0.32
         11 |          1        0.02        0.34
         13 |          1        0.02        0.35
         28 |          1        0.02        0.37
         30 |          1        0.02        0.39
         34 |          1        0.02        0.40
          . |      6,202       99.60      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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