Frequencies for first 10,000 rows of raceim variable in nhamcsopd2008 dataset :

            patient race (imputed) |      Freq.     Percent        Cum.
-----------------------------------+-----------------------------------
                        white only |      7,220       72.20       72.20
       black/african american only |      2,402       24.02       96.22
                        asian only |        237        2.37       98.59
  native hawaiian/oth pac isl only |         35        0.35       98.94
american indian/alaska native only |         55        0.55       99.49
       more than one race reported |         51        0.51      100.00
-----------------------------------+-----------------------------------
                             Total |     10,000      100.00

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