| Date Filed | Type | Description |
| 02/16/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/18/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/19/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/20/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/08/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/14/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/23/2011 |
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 |
| 03/03/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 02/24/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/29/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 02/25/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/08/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/19/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/11/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/15/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/16/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/15/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 04/13/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/24/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |