| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Possible to achieve without much effort | 30 | 
                                    
                                    20.4%
                                 | 
| 2 | Possible to achieve with some effort | 58 | 
                                    
                                    39.5%
                                 | 
| 3 | Possible to achieve with normal amount of effort | 32 | 
                                    
                                    21.8%
                                 | 
| 4 | Possible to achieve with more than normal effort | 10 | 
                                    
                                    6.8%
                                 | 
| 5 | Only possible to achieve with extraordinary effort | 13 | 
                                    
                                    8.8%
                                 | 
| 6 | Targets were not achieved | 4 | 
                                    
                                    2.7%
                                 | 
| Sysmiss | 217 |