Frequencies for first 10,000 rows of ethnic variable in namcs2001 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      2,365       23.65       23.65
    Hispanic or Latino |        568        5.68       29.33
Not Hispanic or Latino |      7,067       70.67      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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