Frequencies for dsh variable in hcris2552_96_1999 dataset :

        dsh |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,159       50.87       50.87
          N |      1,073       17.28       68.15
          Y |      1,978       31.85      100.00
------------+-----------------------------------
      Total |      6,210      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018