Research Period: November 1, 2003 – June 30, 2004
Research Period: August 1, 2003 – July 31, 2004
Research Period: March 12, 2004 – September 9, 2004
Research Period: April 1, 2004 – March 31, 2005
Research Period: January 1, 2006 – December 31, 2006