Frequencies for first 10,000 rows of ethnic variable in namcs2002 dataset :

     Patient ethnicity |      Freq.     Percent        Cum.
-----------------------+-----------------------------------
                 Blank |      2,289       22.89       22.89
    Hispanic or Latino |        586        5.86       28.75
Not Hispanic or Latino |      7,125       71.25      100.00
-----------------------+-----------------------------------
                 Total |     10,000      100.00

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