| Date Filed | Type | Description |
| 03/02/2015 |
10-K
| Annual Report for the period ended December 31, 2014 |
| 03/05/2014 |
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 |
| 03/06/2012 |
10-K
| Annual Report for the period ended December 31, 2011 |
| 03/28/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/30/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/31/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/27/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 04/02/2007 |
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 |
| 02/28/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/04/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/15/2004 |
10-K
| Annual Report for the period ended February 29, 2004 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/28/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/29/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 03/23/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/27/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/29/1999 |
10-K
| Annual Report for the period ended March 22, 1998 |
| 03/27/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |