08/01/2004 - 08/31/2004
09/01/2004 - 09/30/2004
10/01/2004 - 10/31/2004
11/01/2004 - 11/30/2004
12/01/2004 - 12/31/2004
04/01/2005 - 04/30/2005
05/01/2005 - 05/31/2005
09/01/2005 - 09/30/2005
02/01/2006 - 02/28/2006
11/01/2007 - 11/30/2007
12/01/2007 - 12/31/2007
01/01/2008 - 01/31/2008
04/01/2008 - 04/30/2008
02/01/2009 - 02/28/2009
03/01/2009 - 03/31/2009
04/01/2009 - 04/30/2009