| Date Filed | Type | Description |
| 02/25/2021 |
10-K
| Annual Report for the period ended December 31, 2020 |
| 02/21/2020 |
10-K
| Annual Report for the period ended December 31, 2019 |
| 02/21/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/01/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/02/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 02/26/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 02/27/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/13/2014 |
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 |
| 03/05/2012 |
10-K
| Annual Report for the period ended March 5, 2012 |
| 03/04/2011 |
10-K
| Annual Report for the period ended March 4, 2011 |
| 02/26/2010 |
10-K
| Annual Report for the period ended February 25, 2010 |
| 03/03/2009 |
10-K
| Annual Report for the period ended March 3, 2009 |
| 02/29/2008 |
10-K
| Annual Report for the period ended February 29, 2008 |
| 03/01/2007 |
10-K
| Annual Report for the period ended March 1, 2007 |
| 02/27/2006 |
10-K
| Annual Report for the period ended February 27, 2006 |
| 03/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/09/2004 |
10-K
| Annual Report for the period ended March 9, 2004 |
| 03/10/2003 |
10-K
| Annual Report for the period ended March 10, 2003 |
| 03/14/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/19/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |