Frequencies for first 10,000 rows of ehxfue variable in nhamcsed2008 dataset :

  if yes, does |
    it include |
       medical |
history/follow |
    -up notes? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        529        5.29        5.29
not applicable |      2,496       24.96       30.25
           yes |      6,203       62.03       92.28
            no |        772        7.72      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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