Frequencies for s2_1_c1_56 variable in prds_hosp10_yr2010 dataset :

 s2_1_c1_56 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         29        1.25        1.25
          N |      1,793       77.18       78.43
          Y |        501       21.57      100.00
------------+-----------------------------------
      Total |      2,323      100.00

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