| Value | Category | Cases | |
|---|---|---|---|
| 1 | Plutôt difficile | 393 | 
                                                                 
                                    
                                    26%
                                 
                                                             | 
                                                        
                    
| 2 | Plutôt facile | 915 | 
                                                                 
                                    
                                    60.6%
                                 
                                                             | 
                                                        
                    
| 3 | nsp | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | nr | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 203 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             |