| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
20%
|
| 0 | No employees trained | 5 |
50%
|
| 3 | 1 |
10%
|
|
| 4 | 1 |
10%
|
|
| 5 | 1 |
10%
|
|
| Sysmiss | 342 |