Frequencies for first 10,000 rows of race variable in namcs1993 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      8,918       89.18       89.18
                       Black |        786        7.86       97.04
      Asian/Pacific Islander |        243        2.43       99.47
American Indian/Eskimo/Aleut |         53        0.53      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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