Frequencies for s2_1_c1_144 variable in prds_hosp10_yr2011 dataset :

s2_1_c1_144 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         70        1.14        1.14
          N |        318        5.17        6.31
          Y |      5,762       93.69      100.00
------------+-----------------------------------
      Total |      6,150      100.00

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