71 Extraction and building trades workers (7); 72 Metal, machinery and related trades workers (5); 93 Labourers in mining, construction, manufacturing and transport (4); 61 Skilled agricultural and fishery workers (3); 82 Machine operators and assemblers (3); 81 Stationary-plant and related operators (3).
Τα νούμερα στις παρενθέσεις δηλώνουν τον αριθμό απαντήσεων των Εστιακών Πόλων