| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 50 |
| 2024 | Nov | 40 |
| 2023 | Nov | 30 |
| 2022 | Nov | 20 |
| 2021 | Nov | 10 |
| 2021 | Feb | 10 |
| 2020 | Feb | 10 |
| 2019 | May | 10 |
| 2018 | Nov | 20 |
| 2018 | Feb | 20 |
| 2017 | Nov | 30 |
| 2017 | Mar | 30 |
| 2016 | Mar | 30 |
| 2015 | May | 30 |
| 2014 | Apr | 30 |
| 2013 | May | 20 |
| 2012 | Jul | 20 |
| 2011 | Apr | 20 |
| 2010 | May | 10 |
| 2008 | Jul | 10 |
| 2008 | May | 10 |
| 2007 | Oct | 20 |
| 2007 | May | 15 |
| 2007 | Jan | 15 |
| 2006 | May | 30 |
| 2005 | May | 15 |
| 2005 | Jan | 10 |
| 2003 | May | 10 |
| 1998 | Aug | 20 |