December 31, 2009
December 31, 2004
April 30, 2007
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December 26, 2006
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June 30, 1993
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June 30, 1993
May 31, 1992
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October 31, 1994
November 30, 1994
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April 20, 2000
September 30, 1994
July 31, 1999
March 31, 1992
March 31, 1992