| Date Filed | Type | Description |
| 12/08/2009 |
10-K/A
| Annual Report for the period ended December 31, 2008 [amend] |
| 04/01/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 04/15/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 05/01/2007 |
10-K/A
| Annual Report for the period ended December 31, 2006 [amend] |
| 04/17/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 05/05/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 09/09/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/13/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 05/15/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 04/30/2003 |
10-K/A
| Annual Report for the period ended December 31, 2002 [amend] |
| 04/15/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/19/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 06/13/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 04/25/2000 |
10-K/A
| Annual Report for the period ended December 31, 1999 [amend] |
| 03/31/2000 |
10-K
| Annual Report for the period ended December 31, 1999 |
| 05/21/1999 |
10-K
| Annual Report for the period ended December 31, 1998 |
| 04/15/1998 |
10-K
| Annual Report for the period ended December 31, 1997 |
| 09/22/1997 |
10-K/A
| Annual Report for the period ended December 31, 1996 [amend] |
| 04/15/1997 |
10-K
| Annual Report for the period ended December 31, 1996 |
| 04/15/1996 |
10-K
| Annual Report for the period ended December 31, 1995 |