| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Jun | 200 |
| 2025 | Jun | 600 |
| 2024 | May | 200 |
| 2024 | Apr | 125 |
| 2024 | Feb | 200 |
| 2023 | Jul | 250 |
| 2023 | May | 125 |
| 2022 | Nov | 200 |
| 2022 | Sep | 100 |
| 2022 | Aug | 150 |
| 2022 | May | 50 |
| 2022 | Feb | 200 |
| 2021 | May | 200 |
| 2020 | Jun | 120 |
| 2020 | Jan | 50 |
| 2019 | May | 90 |
| 2019 | Mar | 50 |
| 2018 | May | 75 |
| 2018 | Jan | 50 |
| 2017 | Jul | 35 |
| 2017 | Jan | 35 |
| 2016 | Oct | 35 |
| 2016 | Feb | 30 |
| 2016 | Jan | 30 |
| 2015 | Oct | 30 |
| 2015 | Feb | 25 |
| 2015 | Jan | 25 |
| 2014 | Nov | 25 |
| 2014 | May | 28 |
| 2013 | Oct | 25 |
| 2013 | May | 23 |
| 2013 | Feb | 18 |
| 2012 | May | 20 |
| 2011 | May | 20 |
| 2010 | Nov | 20 |
| 2010 | May | 30 |
| 2009 | Nov | 28 |
| 2009 | Jun | 20 |
| 2009 | Apr | 25 |
| 2008 | May | 20 |
| 2007 | Dec | 25 |
| 2007 | May | 25 |
| 2006 | May | 25 |
| 2005 | Jun | 12 |
| 2004 | Jun | 8 |
| 2003 | Jun | 5 |
| 2002 | Jul | 8 |
| 2001 | Jun | 7 |
| 2000 | Aug | 7 |
| 1999 | Jun | 7 |
| 1998 | Jul | 7 |
| 1997 | Aug | 13 |