| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 100 |
| 2025 | May | 75 |
| 2024 | Oct | 75 |
| 2024 | May | 75 |
| 2023 | Oct | 125 |
| 2023 | May | 100 |
| 2023 | Feb | 75 |
| 2022 | May | 40 |
| 2019 | May | 25 |
| 2018 | May | 25 |
| 2017 | Jun | 20 |
| 2016 | May | 12 |
| 2015 | May | 10 |
| 2011 | May | 25 |
| 2010 | May | 20 |
| 2005 | Jun | 10 |
| 2002 | Jun | - |
| 2001 | May | 10 |
| 2000 | Apr | 25 |
| 1998 | Jul | 3 |
| 1997 | Jun | 20 |