| Year | Month | Dividend (%) |
|---|---|---|
| 2026 | Jan | 160 |
| 2025 | Apr | 320 |
| 2025 | Jan | 140 |
| 2024 | Apr | 240 |
| 2024 | Jan | 140 |
| 2023 | Apr | 240 |
| 2023 | Jan | 140 |
| 2022 | Apr | 240 |
| 2022 | Jan | 140 |
| 2021 | Apr | 180 |
| 2020 | Oct | 110 |
| 2020 | Mar | 100 |
| 2019 | Oct | 60 |
| 2019 | Apr | 100 |
| 2018 | Oct | 70 |
| 2018 | Apr | 80 |
| 2017 | Oct | 40 |
| 2017 | Apr | 50 |
| 2016 | Oct | 20 |
| 2016 | Mar | 20 |
| 2016 | Jan | 30 |
| 2015 | Apr | 20 |
| 2015 | Jan | 30 |
| 2014 | Apr | 55 |
| 2013 | Oct | 35 |
| 2013 | Apr | 60 |
| 2010 | Jul | 25 |
| 2010 | Jan | 40 |
| 2009 | Jul | 150 |
| 2008 | Dec | 50 |
| 2008 | Jul | 130 |
| 2007 | Dec | 70 |
| 2007 | Jul | 90 |
| 2006 | Dec | 60 |
| 2006 | Jul | 70 |
| 2006 | Jan | 60 |
| 2005 | Aug | 110 |
| 2005 | Jan | 40 |
| 2004 | Aug | 60 |
| 2003 | Aug | 60 |
| 2002 | Aug | 60 |
| 2001 | Aug | 40 |
| 2000 | Aug | 10 |
| 2000 | Apr | 30 |
| 1999 | Aug | 40 |
| 1998 | Aug | 35 |
| 1997 | Nov | 35 |