| Date Filed | Type | Description |
| 04/29/2011 |
10-K/A
| Annual Report for the period ended December 31, 2010 [amend] |
| 03/14/2011 |
10-K
| Annual Report for the period ended December 31, 2010 |
| 03/12/2010 |
10-K
| Annual Report for the period ended December 31, 2009 |
| 03/16/2009 |
10-K
| Annual Report for the period ended December 31, 2008 |
| 03/11/2008 |
10-K
| Annual Report for the period ended December 31, 2007 |
| 03/12/2007 |
10-K
| Annual Report for the period ended December 31, 2006 |
| 04/14/2006 |
10-K/A
| Annual Report for the period ended December 31, 2005 [amend] |
| 03/31/2006 |
10-K
| Annual Report for the period ended December 31, 2005 |
| 03/16/2005 |
10-K
| Annual Report for the period ended December 31, 2004 |
| 04/07/2004 |
10-K/A
| Annual Report for the period ended December 31, 2003 [amend] |
| 03/15/2004 |
10-K
| Annual Report for the period ended December 31, 2003 |
| 03/28/2003 |
10-K
| Annual Report for the period ended December 31, 2002 |
| 04/01/2002 |
10-K
| Annual Report for the period ended December 31, 2001 |
| 04/05/2001 |
10-K/A
| Annual Report for the period ended December 31, 2000 [amend] |
| 04/02/2001 |
10-K
| Annual Report for the period ended December 31, 2000 |
| 03/31/2000 |
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 |
| 03/30/1999 |
10-KT
| Form 10-KT - Transition reports [Rule 13a-10 or 15d-10] |
| 11/12/1998 |
10-K/A
| Annual Report for the period ended June 30, 1998 [amend] |
| 09/28/1998 |
10-K
| Annual Report for the period ended June 30, 1998 |
| 09/29/1997 |
10-K
| Annual Report for the period ended June 30, 1997 |
| 09/25/1996 |
10-K
| Annual Report for the period ended June 30, 1996 |