| Date Filed | Type | Description |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/15/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/30/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 05/27/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/12/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/27/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 03/27/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 03/27/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/26/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/29/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 03/25/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/25/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/26/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 03/28/1996 |
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 |
| 11/03/1994 |
10-K/A
| Annual Report for the period ended December 31, 1993 [amend] |
| 03/28/1994 |
10-K
| Annual Report for the period ended December 31, 1993 |