| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 40 |
| 2024 | May | 25 |
| 2023 | Jul | 15 |
| 2021 | May | 25 |
| 2020 | May | 20 |
| 2019 | Jul | 120 |
| 2019 | May | 30 |
| 2018 | May | 20 |
| 2017 | May | 45 |
| 2016 | May | 40 |
| 2015 | May | 30 |
| 2014 | Oct | 1,050 |
| 2014 | May | 50 |
| 2013 | Dec | 5,000 |
| 2013 | Feb | 20 |
| 2012 | Feb | 20 |
| 2011 | Feb | 15 |
| 2010 | Feb | 15 |
| 2007 | Jan | 20 |
| 2006 | Feb | 20 |
| 2005 | Mar | 15 |
| 2000 | Feb | 20 |