| Value | Category |
|---|---|
| 0 | Other(pension), houeswives, etc |
| 1 | Agriculture |
| 2 | Mining |
| 3 | Manufacturing |
| 4 | Electricity, gas, water |
| 5 | Construction |
| 6 | Wholesale, retail, accomodation |
| 7 | Transport, storage, communication |
| 8 | Finance, insurance, real estate, etc |
| 9 | Community, social and personal services |