| Date Filed | Type | Description |
| 03/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/06/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/14/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/14/2008 |
AR
| 2007 Annual Report |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/16/2007 |
AR
| 2006 Annual Report |
| 07/17/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 04/28/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/07/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/07/2006 |
AR
| 2005 Annual Report |
| 04/29/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/21/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/14/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/14/2005 |
AR
| 2004 Annual Report |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/15/2004 |
AR
| 2003 Annual Report |
| 03/26/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/26/2003 |
AR
| 2002 Annual Report |
| 03/26/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/29/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/30/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/30/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/28/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |