January 1, 2008-March 31, 2008
January 1, 2008-March 31, 2008 (Amendment)
April 1, 2008-July 18, 2008
July 19, 2008-August 1, 2008
August 2, 2008-August 21, 2008
August 22, 2008-September 26, 2008