Table
| 2007 | 2008 | 2009 | 2010 | 2011 | |
|---|---|---|---|---|---|
| Total | 1 056 | 1 097 | 1 017 | 1 162 | 1 260 |
| Agriculture, hunting and forestry | 0 | 1 | 1 | 1 | 1 |
| Fishing | 1 | 1 | 1 | 1 | 1 |
| Mining and quarrying | 147 | 114 | 168 | 297 | 353 |
| Manufacturing industries | 573 | 633 | 575 | 612 | 597 |
| Electricity and water supply | 34 | 28 | 23 | 27 | 33 |
| Construction | 16 | 11 | 15 | 13 | 29 |
| Service industries | 84 | 75 | 88 | 86 | 83 |
| Sewerage, waste management and remediation activities | 74 | 59 | 76 | 64 | 114 |
| Households | 16 | 23 | 29 | 31 | 32 |
| Unknown source | 112 | 151 | 42 | 30 | 18 |