
| 2013 | 2014 | 2015 | 2016 | 2017 | |
|---|---|---|---|---|---|
| Total | 1 238 | 1 343 | 1 408 | 1 471 | 1 533 |
| Agriculture, hunting and forestry | 1 | 1 | 1 | 0 | 0 |
| Fishing | 1 | 1 | 1 | 1 | 1 |
| Mining and quarrying | 371 | 344 | 360 | 381 | 272 |
| Manufacturing industries | 539 | 619 | 568 | 618 | 670 |
| Electricity and water supply | 39 | 35 | 31 | 43 | 32 |
| Construction | 20 | 30 | 35 | 74 | 149 |
| Service industries | 95 | 119 | 96 | 74 | 91 |
| Sewerage, waste management and remediation activities | 78 | 82 | 74 | 175 | 180 |
| Households | 36 | 41 | 51 | 62 | 66 |
| Unknown source | 58 | 71 | 191 | 42 | 70 |