Frequencies for first 10,000 rows of ethun variable in namcs2012 dataset :

   Patient ethnicity - |
             unimputed |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      3,118       31.18       31.18
    Hispanic or Latino |      1,433       14.33       45.51
Not Hispanic or Latino |      5,449       54.49      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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