| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
10%
|
| 0 | No employees trained | 2 |
20%
|
| 2 | 1 |
10%
|
|
| 7 | 1 |
10%
|
|
| 20 | 1 |
10%
|
|
| 90 | 1 |
10%
|
|
| 100 | 3 |
30%
|
|
| Sysmiss | 110 |