Frequencies for first 10,000 rows of oriented variable in nhamcsed2007 dataset :

 oriented x |
          3 |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        990        9.90        9.90
    unknown |      1,079       10.79       20.69
        yes |      7,685       76.85       97.54
         no |        246        2.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016