| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | May | 10 |
| 2026 | Feb | 35 |
| 2025 | Nov | 30 |
| 2025 | May | 66 |
| 2024 | May | 5 |
| 2023 | May | 4 |
| 2022 | May | 3 |
| 2021 | May | 3 |
| 2020 | May | 8 |
| 2011 | May | 25 |
| 2011 | Jan | 30 |
| 2010 | May | 50 |
| 2009 | Jun | 65 |
| 2008 | Jun | 40 |
| 2008 | Feb | 45 |
| 2007 | Mar | 85 |
| 2006 | Jan | 85 |
| 2005 | Jun | 30 |
| 2004 | Oct | 40 |
| 2003 | Sep | 170 |
| 2003 | Feb | 30 |
| 2002 | Mar | 35 |
| 2001 | Jul | 5 |
| 2001 | Apr | 25 |
| 2000 | Sep | 16 |
| 1999 | Oct | 15 |
| 1997 | Oct | 20 |