| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    10.5%
                                 | 
| 0 | No employees trained | 0 | 
                                    
                                    0%
                                 | 
| 30 | 1 | 
                                    
                                    5.3%
                                 | |
| 50 | 2 | 
                                    
                                    10.5%
                                 | |
| 80 | 1 | 
                                    
                                    5.3%
                                 | |
| 100 | 13 | 
                                    
                                    68.4%
                                 | |
| Sysmiss | 344 |