| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 160 |
| 2025 | May | 140 |
| 2025 | Feb | 120 |
| 2024 | Nov | 120 |
| 2024 | May | 80 |
| 2024 | Feb | 80 |
| 2023 | May | 60 |
| 2023 | Feb | 60 |
| 2022 | May | 30 |
| 2022 | Feb | 50 |
| 2021 | May | 10 |
| 2021 | Jan | 50 |
| 2020 | Jun | 10 |
| 2019 | May | 60 |
| 2018 | May | 60 |
| 2017 | May | 60 |
| 2016 | May | 60 |
| 2015 | May | 60 |
| 2014 | May | 60 |
| 2013 | May | 60 |
| 2012 | Aug | 60 |
| 2011 | Aug | 30 |
| 2011 | Feb | 30 |
| 2010 | Aug | 60 |
| 2009 | Jul | 35 |
| 2008 | Jul | 35 |
| 2007 | Sep | 35 |
| 2006 | Aug | 25 |
| 2005 | Aug | 15 |
| 2004 | Aug | 5 |
| 2003 | Jul | 5 |
| 2002 | Aug | 5 |
| 2001 | Aug | 5 |
| 2000 | Mar | 5 |
| 1999 | Aug | 5 |
| 1998 | Aug | 5 |