Frequencies for first 10,000 rows of racefl variable in nhamcsopd2006 dataset :

       race |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
Not imputed |      8,614       86.14       86.14
    Imputed |      1,386       13.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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