| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 68 | 
                                    
                                    9.9%
                                 | 
| 2 | Moyen supérieur | 162 | 
                                    
                                    23.5%
                                 | 
| 3 | Moyen inférieur | 344 | 
                                    
                                    49.9%
                                 | 
| 4 | Bas | 98 | 
                                    
                                    14.2%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 18 | 
                                    
                                    2.6%
                                 |