| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 54 | 
                                    
                                    7.7%
                                 | 
| 2 | Moyen supérieur | 169 | 
                                    
                                    24.2%
                                 | 
| 3 | Moyen inférieur | 359 | 
                                    
                                    51.5%
                                 | 
| 4 | Bas | 110 | 
                                    
                                    15.8%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 5 | 
                                    
                                    0.7%
                                 |