Frequencies for first 10,000 rows of ethnic variable in nhamcsopd2003 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
    hispanic or latino |      1,773       17.73       17.73
not hispanic or latino |      8,227       82.27      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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