Frequencies for first 10,000 rows of race variable in nhamcsopd1997 dataset :

                patient race |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       White |      6,133       61.33       61.33
                       Black |      3,479       34.79       96.12
Asian/Other Pacific Islander |        363        3.63       99.75
American Indian/Eskimo/Aleut |         25        0.25      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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