| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 64 | 
                                    
                                    6.3%
                                 | 
| 2 | Moyen supérieur | 262 | 
                                    
                                    25.7%
                                 | 
| 3 | Moyen inférieur | 568 | 
                                    
                                    55.7%
                                 | 
| 4 | Bas | 119 | 
                                    
                                    11.7%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 7 | 
                                    
                                    0.7%
                                 |