Frequencies for first 10,000 rows of ethun variable in namcs2013 dataset :

   Patient ethnicity - |
             unimputed |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      2,991       29.91       29.91
    Hispanic or Latino |      1,526       15.26       45.17
Not Hispanic or Latino |      5,483       54.83      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017