| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Apr | 570 |
| 2024 | Apr | 550 |
| 2023 | Apr | 500 |
| 2022 | Apr | 460 |
| 2021 | May | 270 |
| 2021 | May | 380 |
| 2020 | May | 350 |
| 2019 | May | 270 |
| 2018 | May | 200 |
| 2017 | May | 170 |
| 2016 | Sep | 200 |
| 2015 | May | 160 |
| 2014 | May | 70 |
| 2013 | Dec | 170 |
| 2012 | Dec | 170 |
| 2011 | Nov | 65 |
| 2010 | Nov | 40 |
| 2009 | Nov | 35 |
| 2008 | Nov | 20 |
| 2008 | May | 33 |
| 2007 | May | 30 |
| 2006 | Apr | 30 |
| 2005 | Apr | 30 |
| 2004 | Apr | 15 |
| 2004 | Apr | 15 |
| 2003 | Apr | 30 |
| 2002 | Apr | 15 |
| 2001 | Apr | 10 |