| Date Filed | Type | Description |
| 02/16/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 02/21/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/11/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/13/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 02/14/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/15/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 03/08/2012 |
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 |
| 03/03/2010 |
10-K/A
| Annual Report for the period ended December 31, 2009 [amend] |
| 02/19/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/13/2009 |
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 |
| 03/15/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/14/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |