| I | American Indian or Alaskan Native - a person having origins in any of the original peoples of the Americas and maintaining cultural identification through tribal affiliations or community recognition |
| A | Asian or Pacific Islander - a person having origins in any of the original peoples of the Far East, Southeast Asia, the Indian sub-continent or the Pacific Islands |
| B | Black - a person having origins in any of the black racial groups of Africa |
| W | White - a person having origins in any of the original peoples of Europe, North Africa, or Middle East |
| U | Unknown |