| Value | Category |
|---|---|
| 0 | Not applicable |
| 1 | Legislators; senior officials and managers |
| 2 | Professionals |
| 3 | Technical and associate professionals |
| 4 | Clerks |
| 5 | Service workers and shop and market sales workers |
| 6 | Skilled agricultural and fishery workers |
| 7 | Craft and related trades workers |
| 8 | Plant and machine operators and assemblers |
| 9 | Elementary Occupation |
| 10 | Domestic workers |
| 11 | Other occupation |