September 18, 2001 6.00
October 3, 2001 5.50
November 7, 2001 5.00
December 12, 2001 4.75
November 7, 2002 4.25
June 27, 2003 4.00
July 1, 2004 4.25
August 11, 2004 4.50
September 21, 2004 4.75
November 11, 2004 5.00
December 15, 2004 5.25
February 3, 2005 5.50
March 22, 2005 5.75
May 3, 2005 6.00
June 30, 2005 6.25
August 9, 2005 6.50
September 20, 2005 6.75
November 1, 2005 7.00
December 13, 2005 7.25
January 31, 2006 7.50
March 28, 2006 7.75
May 11, 2006 8.00
June 29, 2006 8.25