Frequencies for first 10,000 rows of race variable in namcs1998 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      8,345       83.45       83.45
                       Black |      1,151       11.51       94.96
      Asian/Pacific Islander |        425        4.25       99.21
American Indian/Eskimo/Aleut |         79        0.79      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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