| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Aug | 16 |
| 2024 | Aug | 3 |
| 2023 | Aug | 13 |
| 2023 | May | 15 |
| 2020 | Mar | 10 |
| 2019 | Jun | 8 |
| 2019 | Feb | 11 |
| 2017 | Sep | 9 |
| 2016 | May | 12 |
| 2015 | May | 2 |
| 2012 | May | 8 |
| 2011 | May | 9 |
| 2010 | May | 11 |
| 2009 | May | 6 |
| 2008 | May | 7 |
| 2007 | Jun | 11 |
| 2006 | Jun | 8 |
| 2005 | Jun | 6 |
| 2005 | Jan | 4 |
| 2004 | Aug | 5 |
| 2003 | Jun | 61 |
| 2002 | Jul | 20 |
| 2001 | Jul | 2 |
| 2000 | Aug | 2 |
| 1999 | Aug | - |