| Date Filed | Type | Description |
| 02/18/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/19/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/17/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/22/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 02/22/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/22/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/23/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/26/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/01/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2006 |
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 |
| 03/05/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 02/26/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 02/20/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/27/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/05/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/14/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/14/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/15/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/05/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/21/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |