| Date Filed | Type | Description |
| 02/18/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/20/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 02/14/2013 |
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 |
| 02/18/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 02/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/18/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/15/2008 |
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 |
| 03/06/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/15/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/17/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 06/12/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/12/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 02/27/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/12/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 08/04/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/24/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/26/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/17/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/26/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 04/25/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 02/19/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 08/19/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |