| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 75 |
| 2025 | Aug | 100 |
| 2025 | Feb | 75 |
| 2024 | Nov | 75 |
| 2024 | Aug | 150 |
| 2024 | Feb | 63 |
| 2023 | Nov | 63 |
| 2023 | Aug | 350 |
| 2023 | Feb | 63 |
| 2022 | Nov | 38 |
| 2022 | Aug | 175 |
| 2022 | Feb | 100 |
| 2021 | Nov | 25 |
| 2021 | Aug | 100 |
| 2021 | Feb | 50 |
| 2020 | Nov | 150 |
| 2020 | Aug | 63 |
| 2020 | Jun | 50 |
| 2020 | Feb | 175 |
| 2019 | Nov | 50 |
| 2019 | Aug | 63 |
| 2019 | May | 63 |
| 2019 | Feb | 175 |
| 2018 | Aug | 75 |
| 2018 | Feb | 350 |
| 2017 | Aug | 63 |
| 2017 | Feb | 300 |
| 2016 | Aug | 38 |
| 2016 | Feb | 63 |
| 2015 | Feb | 50 |
| 2014 | Feb | 50 |
| 2013 | Feb | 40 |
| 2012 | Feb | 30 |
| 2011 | Feb | 20 |
| 2010 | Jan | 20 |
| 2009 | May | 13 |
| 2007 | Oct | 13 |
| 2006 | Oct | 13 |
| 2005 | Oct | 13 |
| 2002 | Sep | - |
| 1999 | Aug | - |