Table
| 2009 | 2010 | 2011 | 2012 | 2013 | |
|---|---|---|---|---|---|
| Total | 1 021 | 1 162 | 1 215 | 1 203 | 1 276 |
| Agriculture, hunting and forestry | 1 | 1 | 1 | 1 | 1 |
| Fishing | 1 | 1 | 1 | 1 | 1 |
| Mining and quarrying | 168 | 297 | 353 | 455 | 361 |
| Manufacturing industries | 579 | 612 | 597 | 485 | 541 |
| Electricity and water supply | 32 | 29 | 33 | 26 | 37 |
| Construction | 15 | 13 | 31 | 21 | 20 |
| Service industries | 89 | 80 | 83 | 77 | 80 |
| Sewerage, waste management and remediation activities | 66 | 68 | 67 | 71 | 73 |
| Households | 29 | 31 | 32 | 39 | 37 |
| Unknown source | 42 | 30 | 17 | 28 | 125 |