Frequencies for s5_c4_6 variable in prds_hosp10_yr2011 dataset :

    s5_c4_6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         18        0.29        0.29
          2 |          6        0.10        0.39
          3 |          6        0.10        0.49
          4 |          3        0.05        0.54
          5 |          1        0.02        0.55
          6 |          2        0.03        0.59
          7 |          1        0.02        0.60
          8 |          1        0.02        0.62
         12 |          1        0.02        0.63
          . |      6,111       99.37      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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