Table
| 2011 | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|
| Total | 1 215 | 1 204 | 1 238 | 1 343 | 1 408 |
| Agriculture, hunting and forestry | 1 | 1 | 1 | 1 | 0 |
| Fishing | 1 | 1 | 1 | 1 | 1 |
| Mining and quarrying | 353 | 455 | 362 | 343 | 326 |
| Manufacturing industries | 596 | 481 | 537 | 619 | 540 |
| Electricity and water supply | 33 | 26 | 37 | 34 | 29 |
| Construction | 32 | 21 | 20 | 29 | 32 |
| Service industries | 82 | 80 | 84 | 109 | 103 |
| Sewerage, waste management and remediation activities | 66 | 70 | 72 | 76 | 68 |
| Households | 30 | 38 | 36 | 41 | 47 |
| Unknown source | 21 | 31 | 88 | 88 | 260 |