| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Feb | 100 |
| 2025 | Feb | 100 |
| 2024 | Feb | 250 |
| 2023 | Feb | 100 |
| 2022 | Feb | 50 |
| 2021 | Mar | 150 |
| 2020 | Feb | 150 |
| 2019 | Feb | 150 |
| 2018 | Feb | 150 |
| 2017 | Feb | 150 |
| 2016 | Feb | 140 |
| 2015 | Feb | 140 |
| 2014 | Feb | 140 |
| 2013 | Feb | 130 |
| 2012 | Feb | 120 |
| 2011 | Jan | 110 |
| 2010 | Jan | 150 |
| 2009 | Jan | 90 |
| 2008 | Jan | 90 |
| 2007 | Mar | 90 |
| 2006 | Feb | 70 |
| 2005 | Jan | 60 |
| 2004 | Jan | 150 |
| 2003 | Jan | 50 |
| 2002 | Feb | 35 |
| 2001 | May | 35 |
| 2000 | Mar | 35 |
| 1999 | Jul | 35 |
| 1997 | May | 30 |