| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | May | 785 |
| 2025 | Feb | 650 |
| 2024 | May | 750 |
| 2024 | Jan | 625 |
| 2023 | May | 275 |
| 2023 | May | 675 |
| 2023 | Feb | 600 |
| 2022 | May | 625 |
| 2022 | Feb | 525 |
| 2021 | Jun | 575 |
| 2021 | Feb | 500 |
| 2020 | Jun | 1,015 |
| 2019 | May | 575 |
| 2018 | May | 515 |
| 2017 | May | 475 |
| 2016 | May | 850 |
| 2015 | May | 625 |
| 2014 | May | 600 |
| 2013 | May | 525 |
| 2012 | May | 450 |
| 2011 | May | 445 |
| 2010 | May | 1,000 |
| 2009 | May | 370 |
| 2008 | May | 350 |
| 2007 | May | 310 |
| 2006 | May | 265 |
| 2005 | May | 310 |
| 2004 | May | 200 |
| 2003 | May | 150 |
| 2002 | May | 135 |
| 2001 | Apr | 100 |
| 2000 | May | 75 |
| 1999 | May | 55 |
| 1998 | May | 45 |
| 1997 | Jun | 40 |