Frequencies for first 10,000 rows of ethnic variable in nhamcsed1999 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
    Hispanic or Latino |      1,554       15.54       15.54
Not Hispanic or Latino |      6,654       66.54       82.08
                 Blank |      1,792       17.92      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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