| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | May | 80 |
| 2025 | May | 380 |
| 2024 | May | 340 |
| 2023 | May | 260 |
| 2022 | May | 240 |
| 2021 | May | 220 |
| 2020 | Mar | 200 |
| 2019 | May | 180 |
| 2018 | May | 160 |
| 2017 | May | 140 |
| 2016 | May | 120 |
| 2015 | May | 100 |
| 2014 | May | 100 |
| 2013 | May | 100 |
| 2012 | May | 100 |
| 2011 | May | 100 |
| 2010 | May | 50 |
| 2008 | Nov | 50 |
