| Date Filed | Type | Description |
| 02/27/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 02/21/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 02/28/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/02/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/01/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 03/08/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/19/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/17/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/26/2002 |
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] |
| 03/28/2001 |
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 |
| 04/30/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 02/26/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/27/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/21/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/22/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |
| 03/27/1995 |
10-K
| Annual Report for the period ended December 31, 1994 |
| 03/25/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |