| Year Month(Paper 6A) | Year Month(Paper 6B) |
| 2025 January | 2023 November |
| 2024 September | 2023 May |
| 2024 May | 2022 November |
| 2023 November | 2022 May |
| 2023 May | 2021 November |
| 2022 November | 2021 May |
| 2022 May | 2020 November |
| 2021 November | 2020 May |
| 2021 May | 2019 November |
| 2020 November | 2019 May |
| 2020 May | 2018 November |
| 2019 November | 2018 May |
| 2019 May | |
| 2018 November | |
| 2018 May |