Frequencies for d_4_ipf_c11_50 variable in prds_hosp10_yr2015 dataset :

d_4_ipf_c11 |
        _50 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         13        0.21        0.21
          2 |          7        0.11        0.32
          3 |          4        0.06        0.38
          4 |          4        0.06        0.45
          5 |          4        0.06        0.51
          7 |          3        0.05        0.56
          8 |          3        0.05        0.61
          9 |          2        0.03        0.64
         11 |          1        0.02        0.66
         12 |          2        0.03        0.69
         16 |          1        0.02        0.70
         17 |          2        0.03        0.74
         19 |          1        0.02        0.75
         20 |          3        0.05        0.80
         31 |          1        0.02        0.81
         44 |          1        0.02        0.83
         77 |          1        0.02        0.85
        119 |          1        0.02        0.86
        122 |          1        0.02        0.88
        127 |          1        0.02        0.89
        178 |          1        0.02        0.91
        416 |          1        0.02        0.93
          . |      6,200       99.07      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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