| Value | Category |
|---|---|
| 1 | Agriculture |
| 2 | Mining/quarrying |
| 3 | Manufacturing/processing |
| 4 | Gas/Water/Electricity |
| 5 | Construction |
| 6 | Transport |
| 7 | Buying and selling |
| 8 | Personal services |
| 9 | Education/Health |
| 10 | Public adminisration |
| 11 | Domestic duties |
| 12 | Fishing |
| 97 | Other 1 (specify) |
| 98 | Other 2 (specify) |
| 99 | Other 3 (specify) |
| Sysmiss |