| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 150 |
| 2025 | May | 225 |
| 2024 | Oct | 150 |
| 2024 | May | 225 |
| 2023 | Oct | 150 |
| 2023 | May | 225 |
| 2022 | Nov | 125 |
| 2022 | May | 175 |
| 2021 | Nov | 125 |
| 2021 | May | 100 |
| 2020 | Oct | 100 |
| 2020 | Feb | 60 |
| 2019 | Oct | 40 |
| 2019 | May | 40 |
| 2018 | Nov | 30 |
| 2018 | May | 35 |
| 2017 | Nov | 25 |
| 2017 | May | 30 |
| 2016 | Nov | 20 |
| 2016 | Mar | 25 |
| 2015 | Oct | 15 |
| 2015 | May | 23 |
| 2014 | Oct | 15 |
| 2014 | May | 20 |
| 2013 | Nov | 13 |
| 2013 | May | 15 |
| 2012 | Nov | 10 |
| 2012 | May | 13 |
| 2011 | Nov | 10 |
| 2011 | May | 13 |
| 2010 | Oct | 10 |
| 2010 | May | 10 |
| 2009 | Oct | 10 |
| 2009 | May | 10 |
| 2008 | May | 10 |