| Date Filed | Type | Description |
| 03/04/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/05/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/04/2014 |
10-K/A
| Annual Report for the period ended December 31, 2013 [amend] |
| 03/04/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/07/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/12/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/14/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/11/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 04/30/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 03/16/2009 |
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 |
| 04/10/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 12/19/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/15/2006 |
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 |
| 03/01/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/13/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/15/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/14/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/24/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/26/1999 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/25/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/26/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/29/1996 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/24/1995 |
10-K
| Annual Report for the period ended December 31, 1994 |
| 03/28/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |