Frequencies for s2_1_c1_56 variable in prds_hosp10_yr2013 dataset :

 s2_1_c1_56 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         61        0.98        0.98
          N |      4,923       78.79       79.77
          Y |      1,264       20.23      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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