| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Nov | 540 |
| 2025 | May | 520 |
| 2024 | Nov | 530 |
| 2024 | May | 510 |
| 2023 | Oct | 480 |
| 2023 | May | 320 |
| 2022 | Nov | 290 |
| 2022 | May | 50 |
| 2021 | Nov | 400 |
| 2021 | May | 600 |
| 2021 | Feb | 500 |
| 2020 | Mar | 500 |
| 2019 | Nov | 600 |
| 2019 | May | 508 |
| 2018 | Nov | 200 |
| 2018 | May | 215 |
| 2017 | Nov | 200 |
| 2017 | May | 425 |
| 2016 | Mar | 425 |
| 2015 | May | 361 |
| 2014 | May | 323 |
| 2013 | May | 252 |
| 2012 | May | 189 |
| 2011 | May | 130 |
| 2011 | Jan | 100 |
| 2010 | May | 145 |
| 2009 | Jun | 40 |
| 2008 | Jun | 35 |
| 2007 | Jun | 35 |
| 2006 | Jun | 25 |
| 2005 | Jun | 20 |
| 2004 | Jun | 15 |
| 2003 | Jun | 15 |
| 2002 | Jun | 35 |
| 2001 | May | 35 |
| 2000 | Apr | 30 |
| 1999 | Jun | 60 |
| 1998 | Jun | 45 |