Frequencies for first 10,000 rows of race variable in namcs1994 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      8,718       87.18       87.18
                       Black |        902        9.02       96.20
      Asian/Pacific Islander |        354        3.54       99.74
American Indian/Eskimo/Aleut |         26        0.26      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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