| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | |
| Interim | 5.5 | 6.4 | 7.4 | 8.5 | 8.8 | 9.4 | 13.0 | 16.0 | 20.0 | 20.0 |
| Year-end | 5.5 | 7.6 | 9.2 | 8.5 | 8.8 | 12.6 | 15.0 | 16.0 | 20.0 | 22.0 |
| Annual Total | 11.0 | 14.0 | 16.6 | 17.0 | 17.6 | 22.0 | 28.0 | 32.0 | 40.0 | 42.0 |
| Payout Ratio | 24.6% | 27.1% | 25.6% | 25.3% | 32.6% | 19.9% | 25.6% | 28.9% | 32.5% | 32.8% |