| Value | Category | Cases | |
|---|---|---|---|
| 1 | Apprentice | 2 |
3.4%
|
| 2 | Assistant | 12 |
20.7%
|
| 3 | Craftsman | 42 |
72.4%
|
| 98 | Don't know | 2 |
3.4%
|
| Sysmiss | 41954 |