| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Feb | 580 |
| 2025 | May | 120 |
| 2025 | Jan | 520 |
| 2024 | May | 120 |
| 2024 | Jan | 440 |
| 2023 | May | 160 |
| 2023 | Jan | 280 |
| 2022 | May | 300 |
| 2022 | May | 160 |
| 2022 | Jan | 500 |
| 2021 | May | 300 |
| 2021 | Jan | 400 |
| 2020 | Mar | 300 |
| 2020 | Mar | 340 |
| 2019 | May | 80 |
| 2019 | Jan | 260 |
| 2018 | May | 100 |
| 2018 | Jan | 180 |
| 2017 | May | 80 |
| 2017 | Jan | 200 |
| 2016 | Mar | 300 |
| 2016 | Jan | 400 |
| 2015 | May | 125 |
| 2015 | Jan | 100 |
| 2014 | May | 100 |
| 2014 | Jan | 100 |
| 2013 | May | 340 |
| 2013 | Jan | 120 |
| 2012 | May | 50 |
| 2012 | Jan | 120 |
| 2011 | May | 160 |
| 2010 | May | 120 |
| 2009 | May | 80 |
| 2008 | May | 70 |
| 2007 | Mar | 60 |
| 2006 | May | 50 |
| 2005 | May | 80 |
| 2004 | Jun | 80 |
| 2003 | May | 80 |
| 2002 | May | 80 |
| 2001 | May | 75 |
| 1999 | Jun | 60 |
| 1997 | Jul | 60 |