| Date Filed | Type | Description |
| 03/23/2010 |
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 |
| 03/13/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/19/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 03/06/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 09/15/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 09/12/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 04/06/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/21/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 02/21/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 02/18/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 07/22/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 02/24/2004 |
10-K
| Annual Report for the period ended February 23, 2004 |
| 03/28/2003 |
10-K
| Annual Report for the period ended March 28, 2003 |
| 04/25/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/19/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/18/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/14/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 04/08/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/25/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |