6. HUMAN RESOURCES By the end of March 2011, the Department had 677 posts (677: 2010) on its establishment and 524 (529: 2010) were filled. The vacancy rate stood at 22.60 (21.86: 2010) per cent. The highest vacancy rate was in Programme 4 (Integrated Planning and Inter-Sphere Coordination) which stood at 27.06 per cent. This was followed by Programme 2 (Transport Policy and Economic Regulation) which stood at 25.37 per cent. The Public Entity Oversight and Border Operations and Control Programme had the lowest vacancy rate at 16.67 per cent. The main reason for staff leaving the Department was said to be as a result of transfers to other public service departments. The Department employed eight persons with disabilities, translating into 1.52 per cent. Of these, 4 were African (two females and 2 males) and 4 White (all females).