Table
| 2014 | 2015 | 2016 | 2017 | 2018 | |
|---|---|---|---|---|---|
| Total | 1 502 | 1 585 | 1 602 | 1 654 | 1 545 |
| Agriculture, hunting and forestry | 1 | 1 | 0 | 0 | 0 |
| Fishing | 1 | 1 | 1 | 1 | 1 |
| Mining and quarrying | 344 | 360 | 381 | 272 | 297 |
| Manufacturing industries | 619 | 568 | 618 | 790 | 724 |
| Electricity and water supply | 35 | 31 | 43 | 32 | 39 |
| Construction | 30 | 35 | 74 | 149 | 131 |
| Service industries | 119 | 96 | 74 | 91 | 107 |
| Sewerage, waste management and remediation activities | 82 | 74 | 175 | 181 | 178 |
| Households | 41 | 51 | 62 | 66 | 69 |
| Unknown source | 230 | 368 | 173 | 71 | 0 |