| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Oct | 600 |
| 2025 | Jan | 450 |
| 2024 | Jan | 450 |
| 2023 | Feb | 450 |
| 2022 | Jan | 450 |
| 2021 | Jan | 450 |
| 2020 | Feb | 200 |
| 2019 | Jan | 175 |
| 2018 | Feb | 120 |
| 2017 | Feb | 100 |
| 2016 | Mar | 100 |
| 2015 | May | 90 |
| 2014 | May | 80 |
| 2013 | May | 70 |
| 2012 | Jun | 50 |
| 2011 | Jun | 40 |
| 2010 | Jun | 40 |
| 2009 | May | 40 |
| 2008 | Jul | 40 |
| 2007 | Jun | 35 |
| 2006 | Jun | 25 |
| 2005 | Jun | 25 |
| 2001 | Nov | - |
| 1999 | Jul | - |