The number of people employed in each job category by the Northern Ireland Prison Service in each of the last five years, filling the post at each rank or grade substantively, is as shown in the following table.
Job category 2004-051 2005-061 2006-071 2007-08 As at 18 March 2009 Director 1 1 1 1 1 Deputy Director 4 4 4 4 3 Non ex. Director 1 2 2 2 4 Governor 1 2 2 2 2 2 Governor 2 4 4 4 4 4 Governor 3 2 2 3 3 3 Governor 4 8 9 12 12 10 Governor 5 18 19 14 20 19 Principal Officer 72 67 63 58 65 Senior Officer 171 166 166 159 146 Main Grade Officer 1,268 1,260 1,229 1,176 1,132 Operational Support Grade 0 0 0 17 114 Night Custody/Patrol Officer 83 139 159 184 190 Senior Prisoner Custody Officer 0 0 7 6 15 Prisoner Custody Officer 0 0 93 149 174 Grade A 22 20 19 20 21 Grade B1 30 33 32 35 39 Grade B2 51 53 56 51 64 Grade C 79 81 79 80 101 Grade Dl 107 108 117 118 130 Grade D2 57 59 42 43 37 Civilian Support Staff 95 88 87 86 70 Total 2,075 2,117 2,191 2,230 2,344 1 These figures reflect the full-time equivalent staff. Actual staff in post figures are only available from 2007 onwards.