| Employee Demographics | 2013 | 2014 | 2015 | 2016 | 2017 |
| Total Workforce (number) | 7,087 | 7,259 | 8,868 | 11,113 | 10,156 |
| Direct Employees | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| Female | 244 | 303 | 422 | 872 | 872 |
| Male | 6,018 | 6,187 | 7,596 | 9,343 | 8,349 |
| Contractor Employees | 825 | 769 | 850 | 898 | 935 |
| Employees by Contract Type (number) | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| Permanent | 6,252 | 6,461 | 7,890 | 10,104 | 9,221 |
| Female | 242 | 303 | 422 | 872 | 872 |
| Male | 6,010 | 6,158 | 7,468 | 9,232 | 8,349 |
| Temporary | 10 | 29 | 128 | 111 | 0 |
| Female | 2 | 0 | 0 | 0 | 0 |
| Male | 8 | 29 | 128 | 111 | 0 |
| Employees by Category (number) | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| Shopfloor Employees | 4,924 | 5,015 | 6,399 | 8,532 | 7,511 |
| Female | 2 | 20 | 79 | 540 | 509 |
| Male | 4,922 | 4,995 | 6,320 | 7,992 | 7,002 |
| Office Employees | 1,138 | 1,475 | 1,619 | 1,683 | 1,710 |
| Female | 242 | 283 | 343 | 332 | 363 |
| Male | 1,069 | 1,192 | 1,276 | 1,351 | 1,347 |
| Employees by Type (number) | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| Full-time | 6,262 | 6,490 | 7,967 | 10,215 | 9,221 |
| Female | 244 | 303 | 422 | 872 | 872 |
| Male | 6,018 | 6,187 | 7,596 | 9,343 | 8,349 |
| Part-time | 0 | 0 | 0 | 0 | 0 |
| Employees by Education Level (number) | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| Primary | 747 | 701 | 716 | 666 | 497 |
| Secondary | 3,582 | 3,662 | 4,691 | 6,194 | 5,536 |
| University and Above | 1,933 | 2,127 | 2,611 | 3,355 | 3,188 |
| Employees by Age Group (number) | 6,262 | 6,490 | 8,018 | 10,215 | 9,221 |
| 18-30 | 2,010 | 1,828 | 3,331 | 5,464 | 4,421 |
| 31-40 | 2,148 | 2,635 | 2,719 | 2,943 | 3,225 |
| 41-50 | 1,952 | 1,951 | 1,860 | 1,681 | 1,490 |
| 51-60 | 42 | 76 | 108 | 127 | 85 |
| Senior Management Structure (number) | 19 | 18 | 16 | 15 | 16 |
| by Gender | 19 | 18 | 16 | 15 | 16 |
| Female | 1 | 1 | 0 | 0 | 0 |
| Male | 18 | 17 | 16 | 15 | 16 |
| by Age Group | 19 | 18 | 16 | 15 | 16 |
| 18-30 | 0 | 0 | 0 | 0 | 0 |
| 31-40 | 1 | 0 | 1 | 1 | 0 |
| 41-50 | 13 | 10 | 10 | 8 | 9 |
| 51-60 | 5 | 8 | 5 | 6 | 7 |
| by Nationality | 19 | 18 | 16 | 15 | 16 |
| Turkish Citizen | 16 | 16 | 14 | 13 | 15 |
| Expat | 3 | 2 | 2 | 2 | 1 |
| Mid-level Management Structure (number) | 200 | 210 | 166 | 170 | 184 |
| by Gender | 200 | 210 | 166 | 170 | 184 |
| Female | 18 | 20 | 20 | 18 | 26 |
| Male | 182 | 190 | 146 | 152 | 158 |
| by Age Group | 200 | 210 | 166 | 170 | 184 |
| 18-30 | 4 | 2 | 0 | 0 | 0 |
| 31-40 | 85 | 90 | 68 | 69 | 77 |
| 41-50 | 97 | 99 | 83 | 82 | 84 |
| 51-60 | 14 | 19 | 15 | 19 | 23 |
| Employees Covered by Collective Bargaining Agreement (number) | 4,924 | 5,011 | 6,391 | 8,524 | 7,503 |
| New Hires (number) | 366 | 607 | 3,087 | 3,623 | 536 |
| by Gender | 366 | 607 | 3,087 | 3,623 | 536 |
| Female | 40 | 76 | 124 | 574 | 74 |
| Male | 326 | 531 | 2,963 | 3,049 | 462 |
| by Age Group | 366 | 607 | 3,087 | 3,623 | 536 |
| 18-30 | 296 | 507 | 2,851 | 3,354 | 440 |
| 31-40 | 64 | 68 | 82 | 146 | 76 |
| 41-50 | 3 | 22 | 111 | 89 | 19 |
| 51-60 | 3 | 10 | 43 | 34 | 1 |
| Employees Left (number) | 1,129 | 426 | 925 | 1,375 | 1,530 |
| by Gender | 1,129 | 426 | 925 | 1,375 | 1,530 |
| Female | 20 | 20 | 38 | 89 | 74 |
| Male | 1,109 | 406 | 887 | 1,286 | 1,456 |
| by Age Group | 1,128 | 426 | 925 | 1,375 | 1,530 |
| 18-30 | 802 | 114 | 547 | 792 | 992 |
| 31-40 | 187 | 131 | 153 | 201 | 179 |
| 41-50 | 127 | 146 | 205 | 275 | 246 |
| 51-60 | 12 | 35 | 20 | 107 | 113 |
| Employees on Parental Leave() | 549 | 481 | 490 | 611 | 679 |
| Female | 16 | 29 | 33 | 49 | 104 |
| Male | 533 | 452 | 457 | 562 | 575 |
| Employees Returned to Work After Parental Leave () | 549 | 481 | 490 | 601 | 655 |
| Female | 16 | 29 | 33 | 49 | 80 |
| Male | 533 | 452 | 457 | 552 | 575 |
| Employees Returned to Work After Parental Leave and Still Employed 12 Months After Their Return() | 549 | 472 | 479 | 590 | 625 |
| Female | 16 | 29 | 33 | 47 | 63 |
| Male | 533 | 443 | 446 | 543 | 562 |