In this you can get the bos trials and if we restrict it just to 2020-2023 we see this: https://boredofstudies.org/resources/bos-trial-mathematics-extension-2-2012-2023-exams-and-solutions.17485/
2020: Q8, 11e, 12d, 13b, 13c, 15b, 16b
2021: Q3, 9, 12d, 12e, 15b, 16b
2022: Q3, 11e, 12a, 14c...