Frequencies for first 10,000 rows of ethun variable in nhamcsed2011 dataset :

   Unimputed ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      1,723       17.23       17.23
    Hispanic or Latino |      1,252       12.52       29.75
Not Hispanic or Latino |      7,025       70.25      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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