| Year | Month | Dividend (%) |
|---|---|---|
| 2011 | Feb | 40 |
| 2008 | Mar | 120 |
| 2007 | Oct | 50 |
| 2007 | Mar | 120 |
| 2006 | Oct | 50 |
| 2006 | Apr | 120 |
| 2005 | Oct | 50 |
| 2005 | Apr | 120 |
| 2004 | Oct | 50 |
| 2004 | Apr | 120 |
| 2003 | Sep | 50 |
| 2003 | Apr | 100 |
| 2002 | Aug | 50 |
| 2002 | Apr | 100 |
| 2001 | Apr | 75 |
| 2000 | Mar | 50 |
| 1999 | Dec | 25 |
| 1999 | Apr | 28 |
| 1999 | Jan | 23 |
| 1998 | Jun | 78 |
| 1997 | Jun | 58 |
| 1997 | Jan | 23 |