Frequencies for first 10,000 rows of race variable in nhamcsopd2005 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        white only |      6,152       61.52       61.52
       black/african american only |      2,675       26.75       88.27
                        asian only |        491        4.91       93.18
  native hawaiian/oth pac isl only |        434        4.34       97.52
american indian/alaska native only |         85        0.85       98.37
       more than one race reported |        163        1.63      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

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