| Value |
Category |
| 10 |
Preschool |
| 21 |
Primary school, year 1 |
| 22 |
Primary school, year 2 |
| 23 |
Primary school, year 3 |
| 24 |
Primary school, year 4 |
| 25 |
Primary school, year 5 |
| 26 |
Primary school, year 6 |
| 27 |
Primary school, year 7 |
| 28 |
Primary school, year 8 |
| 29 |
Primary school, year 9 |
| 31 |
Vocational course after 6th grade, year 1 or 2 |
| 33 |
Vocational course after 6th grade, year 3 |
| 41 |
Secondary school, year 1 |
| 42 |
Secondary school, year 2 |
| 43 |
Secondary school, year 3 |
| 51 |
Post-secondary, non-university, year 1 |
| 52 |
Post-secondary, non-university, year 2 |
| 61 |
Technical university, year 1 |
| 62 |
Technical university, year 2 |
| 63 |
Technical university, year 3 |
| 71 |
Post-secondary, university, year 1 |
| 72 |
Post-secondary, university, year 2 |
| 73 |
Post-secondary, university, year 3 |
| 74 |
Post-secondary, university, year 4 |
| 75 |
Post-secondary, university, year 5 |
| 80 |
Unknown |
| 99 |
NIU (not in universe) |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.