| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Sep | 800 |
| 2025 | May | 600 |
| 2025 | Jan | 500 |
| 2024 | May | 550 |
| 2024 | Jan | 500 |
| 2023 | May | 550 |
| 2023 | Jan | 450 |
| 2022 | May | 450 |
| 2022 | Jan | 450 |
| 2021 | May | 600 |
| 2020 | Jan | 1,100 |
| 2019 | May | 350 |
| 2019 | Jan | 250 |
| 2018 | Apr | 300 |
| 2018 | Jan | 200 |
| 2017 | May | 240 |
| 2017 | Jan | 1,000 |
| 2016 | Aug | 160 |
| 2016 | Mar | 120 |
| 2015 | Dec | 120 |
| 2015 | Aug | 140 |
| 2014 | Aug | 100 |
| 2014 | Jul | 120 |
| 2013 | Dec | 100 |
| 2013 | Jul | 120 |
| 2013 | Apr | 80 |
| 2012 | Aug | 80 |
| 2012 | May | 60 |
| 2012 | Jan | 60 |
| 2011 | May | 80 |
| 2011 | Jan | 60 |
| 2010 | May | 80 |
| 2010 | Jan | 50 |
| 2009 | Apr | 50 |
| 2009 | Mar | 50 |
| 2008 | May | 80 |
| 2007 | Mar | 60 |
| 2006 | May | 50 |
| 2005 | May | 40 |
| 2004 | May | 30 |
| 2003 | May | 25 |
| 2002 | Apr | 10 |
| 2001 | Sep | 10 |