| Exam series | Max mark | A* | A | B | C | D | E |
|---|---|---|---|---|---|---|---|
| June 2025 | 300 | 258 | 214 | 178 | 142 | 106 | 71 |
| June 2024 | 300 | 251 | 205 | 167 | 130 | 93 | 56 |
| June 2023 | 300 | 244 | 196 | 158 | 121 | 84 | 47 |
| June 2022 | 300 | 217 | 164 | 130 | 96 | 62 | 28 |
| November 2021 | 300 | 207 | 157 | 128 | 99 | 70 | 42 |
| November 2020 | 300 | 214 | 162 | 130 | 99 | 68 | 37 |
| June 2019 | 300 | 217 | 165 | 134 | 103 | 73 | 43 |
| June 2018 | 300 | 229 | 184 | 155 | 126 | 98 | 70 |