Frequencies for first 10,000 rows of race variable in namcs1997 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      8,629       86.29       86.29
                       Black |      1,026       10.26       96.55
      Asian/Pacific Islander |        303        3.03       99.58
American Indian/Eskimo/Aleut |         42        0.42      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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