| Date Filed | Type | Description |
| 02/21/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 07/05/2013 |
10-K/A
| Annual Report for the period ended December 31, 2012 [amend] |
| 03/01/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/27/2012 |
10-K/A
| Annual Report for the period ended December 31, 2011 [amend] |
| 02/29/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/09/2011 |
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 |
| 03/16/2009 |
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 |
| 03/14/2008 |
AR
| 2007 Annual Report |
| 03/30/2007 |
AR
| 2006 Annual Report |
| 03/29/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/13/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/13/2006 |
AR
| 2005 Annual Report |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/16/2005 |
AR
| 2004 Annual Report |
| 09/09/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 05/14/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/12/2004 |
AR
| 2003 Annual Report |
| 03/31/2003 |
AR
| 2002 Annual Report |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/21/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/21/2002 |
AR
| 2001 Annual Report |
| 04/04/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/29/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |