Human resources

Category of personnel 2013 2014 2015 2016 2017
Technical staff with tertiary education, of which: 361 286 298 262 253 (14,75%)
Bachelor of Science of Engineering 310 251 265 236 227
Bachelor of Engineering 51 35 33 26 26
Technical staff with secondary education, of which: 136 93 92 79 71 ( 4,14%)
Foremen 75 45 45 38 32
Technicians 61 48 47 41 39
Economic staff with tertiary education 89 64 65 58 54 ( 3,15%)
Economic staff with secondary education 25 18 20 14 12 ( 0,70%)
Execution staff 2447 2026 1708 1463 1220 (71,14%)
Others 177 209 96 108 105 ( 6,12%)
Total 3235 2696 2279 1984 1715