Frequencies for first 10,000 rows of race variable in nhamcsed2002 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        White Only |      6,256       62.56       62.56
       Black/African American only |      3,366       33.66       96.22
                        Asian only |        278        2.78       99.00
  Native Hawaiian/Oth Pac Isl only |         49        0.49       99.49
American Indian/Alaska Native only |         30        0.30       99.79
       More than one race reported |         21        0.21      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

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