G6b
		Frequency	Percent	Valid Percent	Cumulative Percent
Valid	less than 70	4	.2	.3	.3
	70-80	1	.0	.1	.4
	81-89	306	12.9	25.4	25.8
	90-99	705	29.7	58.4	84.2
	over 100	191	8.0	15.8	100.0
	Total	1207	50.9	100.0
Missing	System	1166	49.1
Total		2373	100.0