| Year | Month | Dividend (%) |
|---|---|---|
| 2025 | Aug | 100 |
| 2025 | May | 40 |
| 2025 | Feb | 25 |
| 2024 | Nov | 20 |
| 2024 | Aug | 35 |
| 2024 | Apr | 50 |
| 2024 | Feb | 20 |
| 2023 | Oct | 30 |
| 2023 | Aug | 50 |
| 2023 | Jul | 50 |
| 2023 | Jan | 25 |
| 2022 | Oct | 40 |
| 2022 | Aug | 50 |
| 2020 | Feb | 20 |
| 2019 | Oct | 20 |
| 2019 | Jul | 20 |
| 2019 | May | 20 |
| 2019 | Feb | 20 |
| 2018 | Nov | 20 |
| 2018 | Aug | 20 |
| 2018 | Feb | 15 |
| 2017 | May | 15 |
| 2017 | Feb | 15 |
| 2016 | May | 15 |
| 2016 | Feb | 15 |
| 2015 | May | 15 |
| 2015 | May | 15 |
| 2014 | May | 15 |
| 2013 | May | 15 |
| 2012 | May | 15 |
| 2011 | May | 12 |
| 2010 | Nov | 12 |
| 2009 | Nov | 12 |
| 2009 | Jan | 12 |
| 2007 | Oct | 12 |
| 2006 | Oct | 12 |
| 2005 | Nov | 12 |
| 2004 | Nov | 12 |
| 2003 | Nov | 12 |
| 2002 | Nov | 12 |
| 2001 | Oct | 12 |
| 2000 | Jul | 12 |
| 1999 | May | 12 |
| 1998 | Jun | 12 |
| 1997 | Jun | 12 |