Frequencies for s3_1_c2_18 variable in prds_hosp10_yr2012 dataset :

 s3_1_c2_18 |      Freq.     Percent        Cum.
------------+-----------------------------------
          6 |          1        0.02        0.02
         12 |          1        0.02        0.03
         18 |          1        0.02        0.05
         24 |          1        0.02        0.06
         30 |          1        0.02        0.08
         31 |          1        0.02        0.10
         37 |          1        0.02        0.11
         38 |          2        0.03        0.14
         40 |          1        0.02        0.16
         50 |          1        0.02        0.18
         67 |          1        0.02        0.19
         82 |          2        0.03        0.22
        102 |          1        0.02        0.24
        125 |          1        0.02        0.26
        141 |          1        0.02        0.27
        154 |          1        0.02        0.29
        170 |          1        0.02        0.31
        224 |          1        0.02        0.32
        259 |          1        0.02        0.34
        325 |          1        0.02        0.35
          . |      6,205       99.65      100.00
------------+-----------------------------------
      Total |      6,227      100.00

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