| Date Filed | Type | Description |
| 02/11/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/10/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/10/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/13/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 01/31/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/02/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 06/24/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/04/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/12/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/21/2008 |
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 |
| 12/13/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 02/16/2006 |
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 |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/29/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/22/2001 |
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] |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 01/05/1999 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/28/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |