03/01/2005 - 03/31/2005
04/01/2005 - 04/30/2005
05/01/2005 - 05/31/2005
06/01/2005 - 06/30/2005
09/01/2005 - 09/30/2005
01/01/2006 - 01/31/2006
05/01/2006 - 05/31/2006
08/01/2006 - 08/31/2006
04/01/2009 - 04/30/2009
10/01/2009 - 10/31/2009