Frequencies for first 10,000 rows of race variable in namcs2006 dataset :

                      patient race |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        white only |      8,511       85.11       85.11
       black/african american only |        898        8.98       94.09
                        asian only |        423        4.23       98.32
  native hawaiian/oth pac isl only |         31        0.31       98.63
american indian/alaska native only |         97        0.97       99.60
       more than one race reported |         40        0.40      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

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