| Date Filed | Type | Description |
| 02/13/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/12/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/18/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/19/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/20/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/23/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/24/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 12/15/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/25/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 02/26/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/26/2008 |
AR
| 2007 Annual Report |
| 02/25/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/28/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 02/27/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/27/2007 |
AR
| 2006 Annual Report |
| 02/23/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 02/23/2006 |
AR
| 2005 Annual Report |
| 02/28/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 02/28/2005 |
AR
| 2004 Annual Report |
| 03/12/2004 |
AR
| 2003 Annual Report |
| 03/11/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 06/30/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 02/24/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 06/05/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/12/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 06/29/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/13/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 06/28/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 06/28/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 07/01/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/11/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 06/27/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
|