| Date Filed | Type | Description |
| 03/26/2008 |
10-K/A
| Annual Report for the period ended December 31, 2007 [amend] |
| 03/17/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/16/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 03/16/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/10/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/09/2005 |
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 |
| 11/14/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 03/27/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 07/09/2002 |
10-K/A
| Annual Report for the period ended December 31, 2001 [amend] |
| 03/29/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/17/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 04/01/1999 |
10-K/A
| Annual Report for the period ended December 31, 1998 [amend] |
| 03/30/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 04/22/1998 |
10-K/A
| Annual Report for the period ended December 31, 1997 [amend] |
| 03/10/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 03/13/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 03/11/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |