Frequencies for first 10,000 rows of racefl variable in nhamcsopd2005 dataset :

       race |
   imputed? |      Freq.     Percent        Cum.
------------+-----------------------------------
not imputed |      9,263       92.63       92.63
    imputed |        737        7.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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