Frequencies for first 10,000 rows of race variable in nhamcsed1998 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      6,161       61.61       61.61
                       Black |      3,527       35.27       96.88
      Asian/Pacific Islander |        291        2.91       99.79
American Indian/Eskimo/Aleut |         21        0.21      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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