Frequencies for first 10,000 rows of ethnic variable in nhamcsopd2004 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
    hispanic or latino |      2,069       20.69       20.69
not hispanic or latino |      7,931       79.31      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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