| Value | Category |
|---|---|
| 10 | Legislators, senior officials and managers |
| 20 | Professionals |
| 30 | Technicians and associate professionals |
| 40 | Clerks |
| 50 | Service workers and shop and market sales workers |
| 60 | Skilled agricultural and fishery workers |
| 70 | Craft and related trades workers |
| 80 | Plant and machine operators, and assemblers |
| 90 | Elementary occupations |
| 100 | Armed forces |
| 998 | Other/unspecified |
| 999 | Not stated |