Frequencies for e2_swsnf_c1_23 variable in prds_hosp10_yr2013 dataset :

e2_swsnf_c1 |
        _23 |      Freq.     Percent        Cum.
------------+-----------------------------------
        291 |          1        0.02        0.02
      16874 |          1        0.02        0.03
          . |      6,246       99.97      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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