Frequencies for s5_c5_2 variable in prds_hosp10_yr2010 dataset :

    s5_c5_2 |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |          4        0.17        0.17
          5 |          2        0.09        0.26
          6 |          6        0.26        0.52
          7 |          5        0.22        0.73
          9 |          1        0.04        0.77
          . |      2,305       99.23      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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