Frequencies for s3_1_c15_18 variable in prds_hosp10_yr2012 dataset :

s3_1_c15_18 |      Freq.     Percent        Cum.
------------+-----------------------------------
          2 |          1        0.02        0.02
          3 |          1        0.02        0.03
          9 |          1        0.02        0.05
         12 |          1        0.02        0.06
         26 |          1        0.02        0.08
         48 |          2        0.03        0.11
         55 |          1        0.02        0.13
         57 |          1        0.02        0.14
         60 |          1        0.02        0.16
         61 |          1        0.02        0.18
         72 |          1        0.02        0.19
         86 |          1        0.02        0.21
        149 |          1        0.02        0.22
        150 |          1        0.02        0.24
        189 |          1        0.02        0.26
        217 |          1        0.02        0.27
        319 |          1        0.02        0.29
        518 |          1        0.02        0.31
        728 |          1        0.02        0.32
       1192 |          1        0.02        0.34
       1605 |          1        0.02        0.35
       5607 |          1        0.02        0.37
          . |      6,204       99.63      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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