Frequencies for d_4_ipf_c11_69 variable in prds_hosp10_yr2010 dataset :

d_4_ipf_c11 |
        _69 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.09        0.09
          2 |          1        0.04        0.13
          4 |          1        0.04        0.17
          6 |          1        0.04        0.22
          9 |          1        0.04        0.26
         12 |          1        0.04        0.30
         15 |          1        0.04        0.34
         20 |          1        0.04        0.39
         28 |          1        0.04        0.43
         58 |          1        0.04        0.47
        163 |          1        0.04        0.52
        228 |          1        0.04        0.56
        247 |          1        0.04        0.60
        425 |          1        0.04        0.65
        603 |          1        0.04        0.69
          . |      2,307       99.31      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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