| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Possible to achieve without much effort | 4 | 
                                    
                                    1.7%
                                 | 
| 2 | Possible to achieve with some effort | 24 | 
                                    
                                    10.3%
                                 | 
| 3 | Possible to achieve with normal amount of effort | 69 | 
                                    
                                    29.7%
                                 | 
| 4 | Possible to achieve with more than normal effort | 85 | 
                                    
                                    36.6%
                                 | 
| 5 | Only possible to achieve with extraordinary effort | 39 | 
                                    
                                    16.8%
                                 | 
| 6 | Targets were not achieved | 11 | 
                                    
                                    4.7%
                                 | 
| Sysmiss | 170 |