| Year | Month | Dividend (%) |
|---|---|---|
| 2023 | May | 25 |
| 2023 | Jan | 15 |
| 2022 | Oct | 30 |
| 2022 | May | 15 |
| 2022 | Jan | 15 |
| 2021 | Oct | 15 |
| 2021 | Aug | 10 |
| 2021 | May | 15 |
| 2021 | Mar | 15 |
| 2020 | Nov | 10 |
| 2020 | Mar | 10 |
| 2018 | May | 13 |
| 2017 | May | 13 |
| 2016 | May | 10 |
| 2015 | Jun | 10 |
| 2012 | May | 15 |
| 2010 | Oct | 15 |
| 2010 | Apr | 30 |
| 2009 | Oct | 20 |
| 2009 | Apr | 30 |
| 2008 | Oct | 10 |
| 2008 | Jul | 10 |
| 2008 | Apr | 15 |
| 2008 | Jan | 10 |
| 2007 | Oct | 10 |
| 2007 | Aug | 10 |
| 2007 | May | 20 |
| 2006 | Oct | 20 |
| 2006 | May | 20 |
| 2005 | May | 7 |
| 2004 | Nov | 15 |
| 2004 | Jun | 12 |
| 2003 | Jun | 10 |
| 2002 | Jun | 8 |