| Year | Month | Dividend (%) |
|---|---|---|
| 2008 | May | 25 |
| 2008 | Jan | 50 |
| 2007 | Aug | 15 |
| 2007 | Mar | 75 |
| 2006 | Nov | 5 |
| 2006 | Feb | 35 |
| 2005 | Dec | 35 |
| 2005 | Jul | 50 |
| 2004 | Jun | 10 |
| 2004 | Mar | 20 |
| 2003 | Oct | 20 |
| 2003 | Jun | 40 |
| 2002 | Jul | 20 |
| 2001 | Dec | 20 |
| 2001 | Jul | 17 |
| 2001 | Jan | 20 |
| 2000 | Feb | 20 |
| 1999 | Aug | 17 |
| 1999 | Feb | 20 |
| 1998 | Nov | 5 |
| 1998 | Feb | 30 |
| 1997 | Jun | 30 |