Frequencies for first 10,000 rows of race variable in nhamcsed1999 dataset :

              patient race - recoded |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                               White |      6,697       66.97       66.97
              Black/African American |      2,945       29.45       96.42
Asian or Native Hawaiian/Oth Pac Isl |        296        2.96       99.38
       American Indian/Alaska Native |         57        0.57       99.95
         More than one race reported |          5        0.05      100.00
-------------------------------------+-----------------------------------
                               Total |     10,000      100.00

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