Frequencies for d_4_irf_c11_69 variable in prds_hosp10_yr2012 dataset :

d_4_irf_c11 |
        _69 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          7        0.11        0.11
          3 |          1        0.02        0.13
          4 |          2        0.03        0.16
          6 |          2        0.03        0.19
          7 |          1        0.02        0.21
          8 |          1        0.02        0.22
         11 |          1        0.02        0.24
         12 |          1        0.02        0.26
         16 |          1        0.02        0.27
         26 |          1        0.02        0.29
         33 |          1        0.02        0.31
         38 |          1        0.02        0.32
         48 |          1        0.02        0.34
         51 |          1        0.02        0.35
         63 |          1        0.02        0.37
         72 |          1        0.02        0.39
         73 |          1        0.02        0.40
        142 |          1        0.02        0.42
          . |      6,201       99.58      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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