| Date Filed | Type | Description |
| 03/16/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 05/05/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/11/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/25/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/28/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 08/09/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 04/30/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/30/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/20/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/05/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/25/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/18/1998 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/24/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |