| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Possible to achieve without much effort | 1 | 
                                    
                                    4.2%
                                 | 
| 2 | Possible to achieve with some effort | 5 | 
                                    
                                    20.8%
                                 | 
| 3 | Possible to achieve with normal amount of effort | 9 | 
                                    
                                    37.5%
                                 | 
| 4 | Possible to achieve with more than normal effort | 5 | 
                                    
                                    20.8%
                                 | 
| 5 | Only possible to achieve with extraordinary effort | 3 | 
                                    
                                    12.5%
                                 | 
| 6 | Targets were not achieved | 1 | 
                                    
                                    4.2%
                                 | 
| Sysmiss | 87 |