| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 100 |
| 2025 | May | 75 |
| 2025 | Feb | 60 |
| 2024 | May | 50 |
| 2024 | Jan | 35 |
| 2023 | May | 35 |
| 2023 | Jan | 25 |
| 2022 | May | 25 |
| 2022 | Jan | 25 |
| 2021 | Jun | 15 |
| 2021 | Feb | 15 |
| 2020 | Feb | 15 |
| 2019 | May | 15 |
| 2019 | Feb | 15 |
| 2018 | May | 15 |
| 2018 | Feb | 15 |
| 2017 | May | 13 |
| 2017 | Jan | 13 |
| 2011 | Aug | 10 |
| 2011 | May | 10 |
| 2011 | Feb | 10 |
| 2010 | Aug | 13 |
| 2010 | May | 10 |
| 2009 | Sep | 13 |
| 2009 | Apr | 10 |
| 2008 | Jun | 13 |
| 2008 | Apr | 13 |
| 2007 | Dec | 15 |
| 2007 | Jun | 13 |
| 2007 | Apr | 13 |
| 2007 | Jan | 13 |
| 2006 | Jul | 13 |
| 2006 | Feb | 13 |
| 2005 | Jun | 20 |
| 2005 | Jan | 25 |
| 2004 | Jun | 30 |
| 2004 | Jan | 20 |
| 2002 | Jun | 25 |
| 2001 | Jun | 25 |
| 2000 | Aug | 25 |
| 1999 | Sep | 25 |
| 1997 | Aug | 20 |