| Value | Category |
|---|---|
| 00 | No education |
| 01 | Nursery |
| 02 | Kindergarten |
| 03 | Preschool, traditional |
| 11 | Primary, year 1 |
| 12 | Primary, year 2 |
| 13 | Primary, year 3 |
| 14 | Primary, year 4 |
| 15 | Primary, year 5 |
| 16 | Primary, year 6 |
| 19 | Primary, unknown year |
| 21 | Lower secondary, year 1 |
| 22 | Lower secondary, year 2 |
| 23 | Lower secondary, year 3 |
| 29 | Lower secondary, year unknown |
| 31 | Upper secondary, year 1 |
| 32 | Upper secondary, year 2 |
| 33 | Upper secondary, year 3 |
| 39 | Upper secondary, year unknown |
| 41 | Higher education, year 1 |
| 42 | Higher education, year 2 |
| 43 | Higher education, year 3 |
| 44 | Higher education, year 4 |
| 45 | Higher education, year 5 |
| 46 | Higher education, year 6 |
| 47 | Higher education, year 7 |
| 48 | Higher education, year 8+ |
| 49 | Higher education, year unknown |