The ethnic codes currently in use are:

	Code		Definition
	 1		Native America/Alaskan Eskimo
	 2		African-American
	 3		Asian
	 4		Hispanic
	 5		Caucasian
	 6		Arabic/Middle Eastern
	 9		Other

In the data the Ann Arbor Public Schools provides to the State of
Michigan (the "Fourth Friday" counts), the last three categories are
combined as "Caucasian, not Hispanic", code 5.