Frequencies for s3_1_c5_15 variable in prds_hosp10_yr2012 dataset :

 s3_1_c5_15 |      Freq.     Percent        Cum.
------------+-----------------------------------
        396 |          1        0.02        0.02
        539 |          1        0.02        0.03
        999 |          1        0.02        0.05
       4075 |          1        0.02        0.06
          . |      6,223       99.94      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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