Frequencies for d_4_irf_c13_54 variable in prds_hosp10_yr2013 dataset :

d_4_irf_c13 |
        _54 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.06        0.06
          2 |          2        0.03        0.10
          4 |          2        0.03        0.13
          5 |          1        0.02        0.14
          6 |          3        0.05        0.19
          9 |          2        0.03        0.22
         15 |          1        0.02        0.24
         21 |          1        0.02        0.26
         23 |          1        0.02        0.27
         28 |          1        0.02        0.29
         30 |          1        0.02        0.30
          . |      6,229       99.70      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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