| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Mar | 100 |
| 2024 | Mar | 100 |
| 2023 | Feb | 50 |
| 2022 | May | 25 |
| 2022 | Feb | 50 |
| 2021 | Jun | 25 |
| 2021 | Feb | 50 |
| 2020 | Feb | 50 |
| 2019 | May | 60 |
| 2018 | May | 40 |
| 2017 | Jul | 65 |
| 2016 | Nov | 35 |
| 2016 | May | 30 |
| 2015 | May | 10 |
| 2014 | May | 35 |
| 2013 | May | 15 |
| 2010 | May | 30 |
| 2009 | Nov | 15 |
| 2009 | Jun | 20 |
| 2006 | Mar | 10 |
| 2001 | Jun | - |