| Value | Category |
|---|---|
| 0 | Armed |
| 1 | Legislators, Managers, etc |
| 2 | Professionals |
| 3 | Technicians and Associate Professionals |
| 4 | Clerks |
| 5 | Service workers |
| 6 | Agricultural and fisheries workers |
| 7 | Craft and related workers |
| 8 | Plant and machine operators |
| 9 | Elementary occupations |
| 10 | Not stated |
| Sysmiss |