... 15, 75 0,48 (12 ,55 - 18, 75) 12, 25 0,48 (10 ,50 - 14, 25) < 0, 05 Công nhân trung tính (%) 63, 75 0 ,56 (58 ,55 - 66, 75) 37 ,55 1,06 (34,70 - 44 ,50 ) ... 4.286 53 .030 18.900 2008 10 55 1 05 3.3 25 13.063 12.314 2009 6 12 5 42 816 303 2010 55 3 85 1. 155 8.967 124.318 53 .52 5 107 683 1.867 16.620 191.227 85. 042 ... 6, 53 0,07 5, 80 - 7,70 6, 22 0,06 5, 65 - 7, 25 < 0, 05 2 13, 85 0 ,51 11,70 - 15, 20 12,10 0,31 10, 95 - 14 ,50 < 0, 05 3 45, 45 ...