| Date Filed | Type | Description |
| 06/16/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/20/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/20/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/10/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 06/21/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 02/10/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/05/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/19/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/25/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/05/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/26/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/01/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/28/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/03/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/30/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/26/1999 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 03/24/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/24/1998 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 02/11/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/28/1997 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 02/26/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/26/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 02/20/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 08/28/1995 |
10-K/A
| Annual Report for the period ended December 31, 1994 [amend] |
| 08/09/1995 |
10-K/A
| Annual Report for the period ended December 31, 1994 [amend] |
| 04/28/1995 |
10-K/A
| Annual Report for the period ended December 31, 1994 [amend] |
| 02/21/1995 |
10-K
| Annual Report for the period ended December 31, 1994 |
| 04/29/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |
| 03/18/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |
| 02/18/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |