05/01/1990 - 05/31/1990
05/01/2003 - 05/31/2003
06/01/2003 - 06/30/2003
07/01/2003 - 07/31/2003
08/01/2003 - 08/31/2003
09/01/2003 - 09/30/2003
10/01/2003 - 10/31/2003
11/01/2003 - 11/30/2003
12/01/2003 - 12/31/2003
01/01/2004 - 01/31/2004
02/01/2004 - 02/29/2004
03/01/2004 - 03/31/2004
04/01/2004 - 04/30/2004
05/01/2004 - 05/31/2004
06/01/2004 - 06/30/2004
07/01/2004 - 07/31/2004
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
01/01/2005 - 01/31/2005
02/01/2005 - 02/28/2005
03/01/2005 - 03/31/2005
04/01/2005 - 04/30/2005
05/01/2005 - 05/31/2005
06/01/2005 - 06/30/2005
07/01/2005 - 07/31/2005
08/01/2005 - 08/31/2005
09/01/2005 - 09/30/2005
10/01/2005 - 10/31/2005
11/01/2005 - 11/30/2005
12/01/2005 - 12/31/2005
01/01/2006 - 01/31/2006
02/01/2006 - 02/28/2006
03/01/2006 - 03/31/2006
04/01/2006 - 04/30/2006
05/01/2006 - 05/31/2006
06/01/2006 - 06/30/2006
07/01/2006 - 07/31/2006
08/01/2006 - 08/31/2006
09/01/2006 - 09/30/2006
10/01/2006 - 10/31/2006
11/01/2006 - 11/30/2006