| Year | Month | Dividend (%) |
|---|---|---|
| 2020 | Mar | 113 |
| 2020 | Mar | 113 |
| 2020 | Mar | 113 |
| 2019 | May | 50 |
| 2019 | May | 50 |
| 2019 | Apr | 50 |
| 2018 | Apr | 50 |
| 2017 | Mar | 50 |
| 2016 | Jan | 25 |
| 2015 | Oct | 25 |
| 2015 | Jul | 50 |
| 2015 | Apr | 50 |
| 2015 | Jan | 50 |
| 2014 | Sep | 50 |
| 2014 | Jul | 50 |
| 2014 | Mar | 50 |
| 2014 | Jan | 50 |
| 2013 | Oct | 50 |
| 2013 | Jul | 50 |
| 2013 | Apr | 50 |
| 2013 | Jan | 50 |
| 2012 | Oct | 50 |
| 2010 | Oct | 50 |
| 2010 | Apr | 100 |
| 2009 | Jun | 100 |
| 2008 | Apr | 375 |