Frequencies for first 10,000 rows of race variable in nhamcsed2001 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        White Only |      6,597       65.97       65.97
       Black/African American only |      3,068       30.68       96.65
                        Asian only |        271        2.71       99.36
  Native Hawaiian/Oth Pac Isl only |         24        0.24       99.60
American Indian/Alaska Native only |         24        0.24       99.84
       More than one race reported |         16        0.16      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

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