| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 200 |
| 2024 | May | 170 |
| 2023 | May | 75 |
| 2022 | May | 45 |
| 2021 | May | 12 |
| 2020 | Jun | 30 |
| 2019 | May | 40 |
| 2018 | Feb | 40 |
| 2017 | Feb | 30 |
| 2014 | Feb | 10 |
| 2013 | Feb | 20 |
| 2012 | Feb | 20 |
| 2011 | Feb | 15 |
| 2010 | Mar | 10 |
| 2009 | Mar | 10 |
| 2008 | Mar | 20 |
| 2004 | Feb | 15 |
| 2003 | Mar | 30 |
| 2002 | Feb | 30 |
| 2001 | Mar | 25 |
| 2000 | Feb | 20 |
| 1999 | Mar | 15 |
| 1998 | Aug | 15 |