| Date Filed | Type | Description |
| 03/02/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 03/27/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 04/27/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 04/20/2005 |
10-K/A
| Annual Report for the period ended December 31, 2004 [amend] |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 10/25/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 05/28/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/19/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 05/28/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 04/16/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 05/18/2001 |
10-K405/A
| Form 10-K405/A - Annual report [Sections 13 and 15(d), S-K Item 405] [Amend] |
| 04/06/2001 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/23/2000 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/07/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 03/31/1998 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 03/31/1997 |
10-K405
| Form 10-K405 - Annual report [Sections 13 and 15(d), S-K Item 405] |
| 04/01/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |