Frequencies for s3_1_c5_17 variable in prds_hosp10_yr2011 dataset :

 s3_1_c5_17 |      Freq.     Percent        Cum.
------------+-----------------------------------
         20 |          1        0.02        0.02
        166 |          1        0.02        0.03
        455 |          1        0.02        0.05
          . |      6,147       99.95      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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