| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 125 |
| 2025 | May | 225 |
| 2025 | Jan | 100 |
| 2024 | May | 175 |
| 2024 | Jan | 100 |
| 2023 | Apr | 175 |
| 2023 | Jan | 100 |
| 2022 | Apr | 150 |
| 2022 | Jan | 100 |
| 2021 | May | 100 |
| 2021 | Jan | 75 |
| 2020 | Feb | 150 |
| 2019 | Apr | 150 |
| 2018 | May | 120 |
| 2017 | May | 90 |
| 2016 | May | 90 |
| 2015 | May | 140 |
| 2014 | Apr | 100 |
| 2013 | Apr | 90 |
| 2012 | May | 80 |
| 2011 | Apr | 70 |
| 2010 | Apr | 50 |
| 2009 | May | 40 |
| 2008 | May | 30 |
| 2006 | May | 20 |
| 2005 | May | 18 |
| 2004 | Apr | 10 |
| 2003 | May | 30 |
| 2002 | Jun | 30 |
| 2000 | Apr | 13 |
| 1999 | Jul | 15 |
| 1998 | Jul | 25 |
| 1997 | Jun | 37 |