| Value | Category | Cases | |
|---|---|---|---|
| 1 | Apprentice | 17 |
10%
|
| 2 | Assistant | 33 |
19.4%
|
| 3 | Craftsman | 117 |
68.8%
|
| 98 | Don't know | 3 |
1.8%
|
| Sysmiss | 25272 |