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

  ethnicity |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      7,952       79.52       79.52
    imputed |      2,048       20.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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