Frequencies for s5_c4_2 variable in prds_hosp10_yr2015 dataset :

    s5_c4_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          2        0.03        0.03
       1.82 |          1        0.02        0.05
          3 |          4        0.06        0.11
          4 |          2        0.03        0.14
          5 |         12        0.19        0.34
          6 |          2        0.03        0.37
          7 |         16        0.26        0.62
          8 |          1        0.02        0.64
         20 |          1        0.02        0.66
         28 |          1        0.02        0.67
          . |      6,216       99.33      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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