| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 62 | 
                                    
                                    9.1%
                                 | 
| 2 | Moyen supérieur | 160 | 
                                    
                                    23.4%
                                 | 
| 3 | Moyen inférieur | 338 | 
                                    
                                    49.4%
                                 | 
| 4 | Bas | 120 | 
                                    
                                    17.5%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 4 | 
                                    
                                    0.6%
                                 |