| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Non | 700 | 
                                    
                                    58.3%
                                 | 
| 1 | Oui | 500 | 
                                    
                                    41.7%
                                 | 
| 8 | Refuse | 0 | 
                                    
                                    0%
                                 | 
| 9 | Ne sais pas | 0 | 
                                    
                                    0%
                                 |