| Date Filed | Type | Description |
| 02/23/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/02/2009 |
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 |
| 03/17/2008 |
AR
| 2007 Annual Report |
| 03/01/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/01/2007 |
AR
| 2006 Annual Report |
| 01/23/2007 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/16/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/31/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/31/2003 |
AR
| 2002 Annual Report |
| 05/10/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 04/29/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/27/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 11/02/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 06/29/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/30/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/11/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/02/2001 |
AR
| 2000 Annual Report |
| 07/07/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 04/28/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/30/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/30/2000 |
AR
| 1999 Annual Report |
| 04/30/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/31/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/31/1999 |
AR
| 1998 Annual Report |
| 03/31/1998 |
AR
| 1997 Annual Report |
| 03/31/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 07/24/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/31/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 04/29/1996 |
10-K/A
| Annual Report for the period ended December 31, 1995 [amend] |
| 03/29/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |