| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 69 | 
                                    
                                    6.9%
                                 | 
| 2 | Moyen supérieur | 311 | 
                                    
                                    30.9%
                                 | 
| 3 | Moyen inférieur | 495 | 
                                    
                                    49.3%
                                 | 
| 4 | Bas | 108 | 
                                    
                                    10.7%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 22 | 
                                    
                                    2.2%
                                 |