| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 25 |
| 2025 | May | 14 |
| 2024 | May | 35 |
| 2023 | May | 40 |
| 2022 | May | 20 |
| 2021 | Jun | 15 |
| 2020 | Jul | 30 |
| 2019 | May | 15 |
| 2018 | May | 30 |
| 2017 | Jul | 30 |
| 2016 | May | 60 |
| 2015 | May | 65 |
| 2014 | May | 65 |
| 2013 | Apr | 75 |
| 2012 | May | 75 |
| 2011 | Apr | 75 |
| 2010 | Apr | 75 |
| 2009 | Apr | 70 |
| 2008 | Apr | 55 |
| 2007 | May | 40 |
| 2006 | Apr | 35 |
| 2005 | Apr | 30 |
| 2004 | Apr | 25 |
| 2003 | Apr | 17 |
| 2002 | Apr | 19 |
| 2001 | Jun | 17 |
| 2000 | May | 15 |