| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
10%
|
| 0 | No employees trained | 3 |
30%
|
| 10 | 1 |
10%
|
|
| 50 | 1 |
10%
|
|
| 100 | 4 |
40%
|
|
| Sysmiss | 205 |