Frequencies for first 10,000 rows of ethnic variable in nhamcsed2001 dataset :

     patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      2,168       21.68       21.68
    Hispanic or Latino |      1,414       14.14       35.82
Not Hispanic or Latino |      6,418       64.18      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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