Frequencies for s5_c3_1 variable in prds_hosp10_yr2012 dataset :

    s5_c3_1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.05        0.05
          4 |          1        0.02        0.06
          5 |          1        0.02        0.08
          7 |          1        0.02        0.10
          9 |          1        0.02        0.11
         37 |          1        0.02        0.13
        122 |          1        0.02        0.14
          . |      6,218       99.86      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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