| Reference Period | Release Date | | | April 30, 2002 | May 31, 2002 | May 31, 2002 | June 29, 2002 | June 29, 2002 | July 31, 2002 | July 31,2002 | August 31, 2002 | August 31, 2002 | September 30, 2002 | September 30, 2002 | October 31, 2002 | October 31, 2002 | November 30, 2002 | November 30, 2002 | December 31, 2002 | December 31, 2002 | January 31, 2003 | January 31, 2003 | February 28, 2003 | February 28, 2003 | March 31, 2003 | March 31, 2003 | April 30, 2003 |
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