| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 13020 |
95.1%
|
| 2 | Formal apprenticeship | 457 |
3.3%
|
| 3 | Informal apprenticeship | 210 |
1.5%
|
| 4 | Other (specify) | 10 |
0.1%
|