| Valeur | Modalité | Cas | |
|---|---|---|---|
| B | 457 | 
                                    
                                    40.7%
                                 | |
| C | 416 | 
                                    
                                    37.1%
                                 | |
| U | 249 | 
                                    
                                    22.2%
                                 |