| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 150 |
| 2025 | May | 270 |
| 2024 | May | 200 |
| 2023 | May | 90 |
| 2022 | Nov | 90 |
| 2022 | May | 115 |
| 2022 | Feb | 50 |
| 2021 | May | 50 |
| 2020 | May | 20 |
| 2019 | May | 50 |
| 2019 | Jan | 50 |
| 2018 | May | 110 |
| 2018 | Jan | 70 |
| 2017 | May | 85 |
| 2017 | Jan | 65 |
| 2016 | May | 85 |
| 2016 | Feb | 60 |
| 2015 | May | 80 |
| 2015 | Jan | 55 |
| 2014 | May | 55 |
| 2014 | Jan | 45 |
| 2013 | May | 50 |
| 2013 | Feb | 40 |
| 2012 | May | 60 |
| 2011 | May | 60 |
| 2010 | May | 50 |
| 2009 | Jul | 20 |
| 2008 | May | 250 |
| 2007 | Jun | 50 |
| 2006 | Jul | 25 |
| 2005 | May | 25 |
| 2004 | May | 16 |
| 2003 | Jun | 10 |
| 2002 | Jun | 9 |
| 1999 | May | - |