| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Feb | 10 |
| 2025 | May | 13 |
| 2024 | May | 12 |
| 2023 | May | 37 |
| 2022 | Nov | 16 |
| 2022 | May | 25 |
| 2021 | Nov | 14 |
| 2021 | May | 18 |
| 2021 | Feb | 12 |
| 2020 | May | 28 |
| 2019 | May | 8 |
| 2018 | May | 6 |
| 2017 | May | 11 |
| 2016 | May | 11 |
| 2015 | May | 18 |
| 2014 | May | 15 |
| 2013 | May | 15 |
| 2012 | May | 14 |
| 2011 | May | 11 |
| 2010 | May | 11 |
| 2009 | Jun | 12 |
| 2008 | May | 10 |
| 2007 | May | 10 |
| 2006 | May | 10 |
| 2005 | May | 14 |
| 2005 | Jan | 3 |
| 2004 | May | 17 |
| 2002 | May | 2 |
| 2001 | May | 4 |
| 2000 | Jun | 2 |
| 1999 | Jul | 6 |
| 1998 | Jul | 5 |
| 1997 | Dec | 2 |