Frequencies for d_4_ipf_c11_74 variable in prds_hosp10_yr2012 dataset :

d_4_ipf_c11 |
        _74 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          4        0.06        0.06
          3 |          1        0.02        0.08
          4 |          2        0.03        0.11
          5 |          2        0.03        0.14
          6 |          1        0.02        0.16
          9 |          1        0.02        0.18
         10 |          1        0.02        0.19
         12 |          1        0.02        0.21
         17 |          2        0.03        0.24
         19 |          1        0.02        0.26
         22 |          1        0.02        0.27
         23 |          1        0.02        0.29
         35 |          1        0.02        0.31
         40 |          1        0.02        0.32
         42 |          1        0.02        0.34
         46 |          1        0.02        0.35
         54 |          1        0.02        0.37
         73 |          1        0.02        0.39
          . |      6,203       99.61      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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