| Value | Category |
|---|---|
| 01 | Legislators, administrators, etc |
| 02 | Professionals |
| 03 | Clerks |
| 04 | Service and sales |
| 05 | Subsistence agricultural workers |
| 06 | Market-oriented agricultural workers |
| 07 | Craftsmen and machine operators |
| 08 | Elementary occupation |
| 09 | Piece workers |
| 10 | Other occupations |
| 99 | NIU (not in universe) |
| 98 | Unknown |