| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | No employees trained | 1 |
20%
|
| 1 | 1 |
20%
|
|
| 20 | 2 |
40%
|
|
| 50 | 1 |
20%
|
|
| Sysmiss | 146 |