The average length of employment in the Department for each grade are presented in the following table.
Grade Average length of service (years) Administrative Officer 8.6 Executive Officer 9.0 Higher Executive Officer 8.7 Senior Executive Officer 10.7 Grade 7 9.0 Grade 6 10.2 Senior Civil Service 1 9.6 Senior Civil Service 2 11.1 Senior Civil Service 3 8.6 Fast Stream 1.5 All Grades 8.9