Frequencies for first 10,000 rows of ethnic variable in nhamcsopd2005 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
    hispanic or latino |      1,648       16.48       16.48
not hispanic or latino |      8,352       83.52      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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