| Value | Category |
|---|---|
| 1 | Sans diplome |
| 2 | CEPE / FSLC |
| 3 | BEPC / GCE O LEVEL |
| 4 | Probatoire |
| 5 | BAC / GCE A LEVEL |
| 6 | DEUG/DEUS |
| 7 | Lic /Mait / DEA |
| 8 | Doctorat / PHD |
| 9 | Gecol niv / CEPE |
| 10 | Geco niv / BEPC /PR |
| 11 | Geco niv / BACou> |
| 12 | CAP |
| 13 | BEP |
| 14 | BTS /DUT |
| 15 | Autres diplome |
| 27 | |
| 99 | |
| Sysmiss |