| Value | Category |
|---|---|
| 001 | Property owning: Merchants, manufacturers, agents, dealers |
| 002 | Professionals, managers and supervisors |
| 003 | White collar employees |
| 004 | Artisanal occupations |
| 005 | Semi-skilled and unskilled |
| 006 | Labourer |
| 007 | Servants |
| 008 | Farmers |
| 999 | Unknown and NIU |