| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 1 | Très facile | 23 | 
                                    
                                    1.9%
                                 | 
| 2 | Facile | 55 | 
                                    
                                    4.6%
                                 | 
| 3 | Difficile | 38 | 
                                    
                                    3.2%
                                 | 
| 4 | Très difficile | 18 | 
                                    
                                    1.5%
                                 | 
| 7 | Aucun contact | 1066 | 
                                    
                                    88.8%
                                 | 
| 8 | Refuse | 0 | 
                                    
                                    0%
                                 | 
| 9 | Ne sais pas | 0 | 
                                    
                                    0%
                                 |