To ask the Scottish Government how many full-time equivalent civil servants were employed at grade (a) A3, (b) A4, (c) B1, (d) B2, (e) B3, (f) C1, (g) C2 and (h) C3, in (i) 2021-22, (ii) 2022-23, (iii) 2023-24 and (iv) 2024-25, and what the numbers are projected to be in 2025-26.