|  | | Bonus share issue | Announcement Date | Record Date | Payment Date | | 1 for 10 | 02/12/09 | 02/27/09 | 03/31/09 | | 1 for 10 | 12/20/07 | 01/01/08 | 02/01/08 | | 1 for 10 | 03/05/07 | 03/16/07 | 04/16/07 | | 1 for 10 | 03/06/06 | 03/15/06 | 04/17/06 | | 1 for 10 | 03/01/05 | 03/04/05 | 04/01/05 | | 1 for 10 | 02/16/04 | 03/01/04 | 04/01/04 |
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| Year ended December 31 | Diluted number of shares (million) | | 2008 | 52.23 | | 2007 | 51.68 | | 2006 | 51.17 | | 2005 | 50.09 | | 2004 | 46.67 |
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