| Value | Category |
|---|---|
| 0 | Not applicable |
| 1 | Agriculture; hunting and forestry |
| 2 | Mining |
| 3 | Manufacturing |
| 4 | Electricity; gas and water |
| 5 | Construction |
| 6 | Wholesale and retail trade |
| 7 | Transport; storage and communication |
| 8 | Finance and business services |
| 9 | Community; social and personal services |
| 10 | Private households |
| 11 | Other |