Frequencies for first 10,000 rows of race variable in nhamcsed2000 dataset :

              patient race - recoded |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               White |      6,762       67.62       67.62
              Black/African American |      2,886       28.86       96.48
Asian or Native Hawaiian/Oth Pac Isl |        300        3.00       99.48
       American Indian/Alaska Native |         46        0.46       99.94
         More than one race reported |          6        0.06      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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