Frequencies for first 10,000 rows of ethnic variable in namcs1995 dataset :

        patient |
      ethnicity |      Freq.     Percent        Cum.
----------------+-----------------------------------
Hispanic Origin |        742        7.42        7.42
   Not Hispanic |      9,258       92.58      100.00
----------------+-----------------------------------
          Total |     10,000      100.00

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