Frequencies for first 10,000 rows of oriented variable in nhamcsed2006 dataset :

 oriented x |
          3 |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        735        7.35        7.35
        yes |      7,505       75.05       82.40
         no |        239        2.39       84.79
    unknown |      1,521       15.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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