Frequencies for f38 variable in hcris2552_96_1997 dataset :

        f38 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,346       68.12       68.12
          N |        638       10.00       78.12
          Y |      1,396       21.88      100.00
------------+-----------------------------------
      Total |      6,380      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018