from 10k
As part of the program we purchased 13,467,527 shares of our common stock at an aggregate cost of $8,832,078 during the year ended May 31, 2007.
from yesterdays filing
To date we’ve acquired more than 18 million of our own shares under a program that began back in July of 2006 = 4.5 to 5.5 million purchased... average price we can not figure out... becuase they say 8.8 million spent which was the same # given in the 10k