| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 | 
                                    
                                    2%
                                 | 
| 0 | No employees trained | 12 | 
                                    
                                    6.1%
                                 | 
| 2 | 1 | 
                                    
                                    0.5%
                                 | |
| 3 | 1 | 
                                    
                                    0.5%
                                 | |
| 4 | 1 | 
                                    
                                    0.5%
                                 | |
| 5 | 2 | 
                                    
                                    1%
                                 | |
| 6 | 1 | 
                                    
                                    0.5%
                                 | |
| 10 | 4 | 
                                    
                                    2%
                                 | |
| 13 | 1 | 
                                    
                                    0.5%
                                 | |
| 15 | 1 | 
                                    
                                    0.5%
                                 | |
| 18 | 1 | 
                                    
                                    0.5%
                                 | |
| 20 | 10 | 
                                    
                                    5.1%
                                 | |
| 27 | 1 | 
                                    
                                    0.5%
                                 | |
| 30 | 11 | 
                                    
                                    5.6%
                                 | |
| 50 | 8 | 
                                    
                                    4%
                                 | |
| 60 | 3 | 
                                    
                                    1.5%
                                 | |
| 65 | 1 | 
                                    
                                    0.5%
                                 | |
| 70 | 4 | 
                                    
                                    2%
                                 | |
| 80 | 7 | 
                                    
                                    3.5%
                                 | |
| 90 | 1 | 
                                    
                                    0.5%
                                 | |
| 100 | 123 | 
                                    
                                    62.1%
                                 | |
| Sysmiss | 414 |