At present staff at each grade at the UK Permanent Representation to the EU are:
Number In the senior management SMS4 1 SMS3 1 SMS2 1 SMS1 12 In the delegated grades D7 4 D6 37 C5 2 C4 26 B3 6 A2 5 Staff employed locally LEI 6 LEII 5 LEIII 29 LEIV 5
To collate a year-by-year breakdown would incur disproportionate cost. The general staffing levels at the UK Permanent Representation have remained reasonably consistent in recent years.