| Date Filed | Type | Description |
| 02/22/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/23/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/23/2007 |
AR
| 2006 Annual Report |
| 02/24/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/04/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/22/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/19/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 02/24/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/08/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/09/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/03/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/12/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/12/1999 |
AR
| 1998 Annual Report |
| 03/13/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/17/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/01/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/03/1995 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/16/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |