| Filed On | Filing |
|---|---|
| 14 May 2002 | SCHEDULE 13D -- AMENDMENT NO. 18 |
| 26 Apr 2002 | AMENDMENT NO. 17 |
| 21 Dec 2001 | SCHEDULE 13D |
| 01 Sep 2000 | SC 13D/A |
| 04 Aug 2000 | SC 13D/A |
| 11 Jun 1999 | SC 13D/A |
| 18 Aug 1998 | SC 13D/A |
| 17 Apr 1998 | SC 13D/A |
| 07 Apr 1998 | SC 13D/A |
| 10 Feb 1998 | SC 13D/A |
| 14 Oct 1997 | SC 13D/A |
| 08 Aug 1997 | SC 13D/A |
| 07 Nov 1996 | SC 13D/A |
| 10 May 1996 | SC 13D/A |
| 09 Jan 1996 | SC 13D/A |
| 10 Oct 1995 | SC 13D/A |
| 22 Sep 1995 | SC 13D/A |
| 18 May 1995 | AMENDMENT TO SCHEDULE 13D |
| 22 Feb 1995 | AMENDMENT TO SCHEDULE 13D |
| 25 Nov 1994 | AMENDMENT TO SCHEDULE 13D |
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