Frequencies for first 10,000 rows of race variable in nhamcsed2005 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        white only |      7,377       73.77       73.77
       black/african american only |      2,339       23.39       97.16
                        asian only |        174        1.74       98.90
  native hawaiian/oth pac isl only |         29        0.29       99.19
american indian/alaska native only |         65        0.65       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