Frequencies for s3_1_c3_18 variable in prds_hosp10_yr2010 dataset :

 s3_1_c3_18 |      Freq.     Percent        Cum.
------------+-----------------------------------
       5475 |          1        0.04        0.04
       8030 |          2        0.09        0.13
       9010 |          1        0.04        0.17
      18250 |          1        0.04        0.22
      37230 |          1        0.04        0.26
          . |      2,317       99.74      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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