| Date Filed | Type | Description |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/03/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 03/04/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/02/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/02/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/03/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/29/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/29/2008 |
AR
| 2007 Annual Report |
| 03/13/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/13/2007 |
AR
| 2006 Interactive Annual Report |
| 03/13/2007 |
AR
| 2006 Annual Report |
| 03/03/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/03/2006 |
AR
| 2005 Annual Report |
| 05/06/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/01/2005 |
AR
| 2004 Annual Report |
| 03/11/2004 |
AR
| 2003 Annual Report |
| 03/10/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/27/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/27/2003 |
AR
| 2002 Annual Report |
| 04/24/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/01/2002 |
AR
| 2001 Annual Report |
| 04/02/2001 |
AR
| 2000 Annual Report |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |