Frequencies for first 10,000 rows of ethnic variable in nhamcsed2002 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      1,377       13.77       13.77
    Hispanic or Latino |      1,613       16.13       29.90
Not Hispanic or Latino |      7,010       70.10      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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