| 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 |