Frequencies for s10_c1_4 variable in prds_hosp10_yr2017 dataset :

   s10_c1_4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,708       45.56       45.56
          N |      1,557       41.53       87.09
          Y |        484       12.91      100.00
------------+-----------------------------------
      Total |      3,749      100.00

by Jean Roth , jroth@nber.org , 26 Oct 2018