02/01/2006 - 02/28/2006 03/01/2006 - 03/31/2006 04/01/2006 - 04/30/2006 07/01/2006 - 07/31/2006 08/01/2006 - 08/31/2006 09/01/2006 - 09/30/2006 11/01/2006 - 11/30/2006 12/01/2006 - 12/31/2006 11/01/2007 - 11/30/2007 12/01/2007 - 12/31/2007
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