| Filed On | Filing |
|---|---|
| 21 Mar 2012 | FORM S-3 |
| 31 Jul 2009 | S-3 |
| 01 Apr 2008 | S-3 |
| 30 Oct 2006 | REGISTRATION STATEMENT UNDER SECURITIES ACT OF 1933 |
| 11 Apr 2006 | REGISTRATION STATEMENT UNDER SECURITIES ACT OF 1933 |
| 22 Sep 2003 | S-3 |
| 20 May 2003 | S-3 |
| 23 Apr 2002 | S-3 |
| 28 Aug 2001 | S-3 |
| 15 Sep 2000 | FORM S-3 |
| 21 Dec 1999 | S-3 |
| 27 Aug 1999 | S-3 |
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