| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 36 |
| 2025 | May | 15 |
| 2025 | Feb | 15 |
| 2024 | May | 15 |
| 2024 | Feb | 15 |
| 2023 | May | 20 |
| 2023 | Feb | 15 |
| 2022 | May | 15 |
| 2022 | Feb | 15 |
| 2021 | Jun | 15 |
| 2021 | Feb | 10 |
| 2020 | Feb | 71 |
| 2019 | Mar | 45 |
| 2018 | May | 3 |
| 2018 | Mar | 42 |
| 2017 | Mar | 73 |
| 2016 | May | 12 |
| 2016 | Feb | 3 |
| 2016 | Jan | 15 |
| 2015 | May | 10 |
| 2015 | Feb | 18 |
| 2014 | May | 18 |
| 2014 | Mar | 10 |
| 2013 | May | 18 |
| 2013 | Feb | 10 |
| 2012 | May | 28 |
| 2011 | May | 23 |
| 2010 | May | 10 |
| 2010 | Mar | 10 |
| 2009 | Jun | 20 |
| 2008 | May | 10 |
| 2008 | Jan | 10 |
| 2007 | Jun | 12 |
| 2006 | Feb | 14 |
| 2005 | Dec | 6 |
| 2005 | Aug | 14 |
| 2005 | Jan | 6 |
| 2004 | Jun | 14 |
| 2003 | Jun | 14 |
| 2002 | Jun | 14 |
| 2001 | Jun | 10 |
| 2000 | Aug | 2 |
| 2000 | Apr | 50 |
| 1999 | Aug | - |