(a)(i) 16 814
(a)(ii) 1345
(b)(i) 3282 are unskilled workers; 5069 workers are semi-skilled; 6258 workers are skilled; and 2205 workers are supervisory and/or management.
(b)(ii) 0 unskilled workers; 0 semi-skilled workers; 1087 skilled workers; and 258 workers are supervisory and or management.