Frequencies for s5_c4_4 variable in prds_hosp10_yr2011 dataset :

    s5_c4_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
        .18 |          1        0.02        0.02
        .53 |          1        0.02        0.03
          1 |          4        0.07        0.10
          3 |          5        0.08        0.18
        3.5 |          1        0.02        0.20
          4 |         27        0.44        0.63
          5 |          3        0.05        0.68
          7 |          2        0.03        0.72
          8 |          1        0.02        0.73
         12 |          1        0.02        0.75
         20 |          1        0.02        0.76
          . |      6,103       99.24      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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