| Value | Category |
|---|---|
| 0 | None |
| 1 | Primary 4-5 years school |
| 2 | 7/8/9 yearsof school |
| 3 | Lower secondary vacational (2-3 years) |
| 4 | Upper secondary (general) |
| 5 | Upper secondary technical (4-5 years) |
| 6 | Tertiary (BA) |
| 7 | Tertiary (BAMA) |
| 8 | Tertiary (old system before Bologna) |
| 9 | Post-gratuade/Master |
| 10 | Doctorate /PhD |