| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
10%
|
| 0 | No employees trained | 1 |
10%
|
| 2 | 3 |
30%
|
|
| 4 | 1 |
10%
|
|
| 5 | 3 |
30%
|
|
| 8 | 1 |
10%
|
|
| Sysmiss | 342 |