| Value | Category |
|---|---|
| 01 | Legislators and managers |
| 02 | Professionals |
| 03 | Technicians and associate professionals |
| 04 | Clerks |
| 05 | Services and sales workers |
| 06 | Skilled agricultural and fishery workers |
| 07 | Crafts and related workers |
| 08 | Plant, machine operators and assemblers |
| 09 | Elementary occupations |
| 98 | Unknown |
| 99 | NIU (not in universe) |