| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 1 |
0.7%
|
| 1 | no education | 1 |
0.7%
|
| 2 | primary school (complete or not) | 15 |
10.1%
|
| 3 | secondary school (complete or not) | 30 |
20.3%
|
| 4 | vocational training | 11 |
7.4%
|
| 5 | some university training | 32 |
21.6%
|
| 6 | graduate degree | 58 |
39.2%
|