Frequencies for s10_c1_4 variable in prds_hosp10_yr2015 dataset :

   s10_c1_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,022       48.29       48.29
          N |      2,387       38.14       86.43
          Y |        849       13.57      100.00
------------+-----------------------------------
      Total |      6,258      100.00

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