| Value | Category |
|---|---|
| 1 | Professional workers |
| 2 | Administrative and managerial |
| 3 | Clerical and related workers |
| 4 | Sales workers |
| 5 | Service workers |
| 6 | Agric/Forestry/Fishermen |
| 7 | Production and related workers |
| 8 | Workers not classified |
| -99 | Not applicable |
| -98 | Mssing response |