| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not selected | 218 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 1 | Selected | 446 | 
                                                                 
                                    
                                    13.3%
                                 
                                                             | 
                                                        
                    
| -7 | Filtered (no regular contact to any animal) | 1631 | 
                                                                 
                                    
                                    48.7%
                                 
                                                             | 
                                                        
                    
| -6 | Follow-up refusal | 1021 | 
                                                                 
                                    
                                    30.5%
                                 
                                                             | 
                                                        
                    
| -2 | No answer | 33 | 
                                                                 
                                    
                                    1%
                                 
                                                             |