| Value | Category | Cases | |
|---|---|---|---|
| 1 | Elevé | 52 | 
                                    
                                    7.4%
                                 | 
| 2 | Moyen supérieur | 190 | 
                                    
                                    27%
                                 | 
| 3 | Moyen inférieur | 361 | 
                                    
                                    51.2%
                                 | 
| 4 | Bas | 96 | 
                                    
                                    13.6%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6 | 
                                    
                                    0.9%
                                 |