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

  ethnicity |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      7,845       78.45       78.45
    imputed |      2,155       21.55      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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