| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Apr | 400 |
| 2025 | Oct | 125 |
| 2025 | Apr | 375 |
| 2024 | Oct | 125 |
| 2024 | Apr | 350 |
| 2023 | Oct | 100 |
| 2023 | Apr | 350 |
| 2022 | Oct | 100 |
| 2022 | Apr | 140 |
| 2021 | Oct | 40 |
| 2021 | Apr | 125 |
| 2020 | Oct | 25 |
| 2020 | May | 15 |
| 2019 | Oct | 30 |
| 2019 | Oct | 10 |
| 2019 | Apr | 20 |
| 2018 | Oct | 10 |
| 2018 | Apr | 35 |
| 2017 | Oct | 10 |
| 2017 | May | 35 |
| 2016 | Oct | 10 |
| 2016 | Mar | 15 |
| 2015 | Jul | 15 |
| 2014 | Jul | 15 |
| 2013 | Jul | 25 |
| 2012 | Jul | 14 |
| 2011 | Jul | 28 |
| 2010 | Jul | 18 |
| 2009 | Aug | 10 |
| 2008 | Aug | 10 |
| 2007 | Aug | 10 |
| 2006 | Aug | 10 |
| 2005 | Apr | 12 |
| 2004 | Jul | 8 |
| 2002 | Aug | - |
| 1999 | May | - |