| Date Filed | Type | Description |
| 03/05/2019 |
10-K
| Annual Report for the period ended December 31, 2018 |
| 03/02/2018 |
10-K
| Annual Report for the period ended December 31, 2017 |
| 03/13/2017 |
10-K
| Annual Report for the period ended December 31, 2016 |
| 03/07/2016 |
10-K
| Annual Report for the period ended December 31, 2015 |
| 03/04/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/10/2014 |
10-K
| Annual Report for the period ended December 31, 2013 |
| 02/26/2013 |
10-K
| Annual Report for the period ended December 31, 2012 |
| 02/15/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 02/22/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/01/2010 |
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 |
| 02/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/13/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 06/28/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/29/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/16/2005 |
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 |
| 03/21/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/12/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/29/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |