| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refusal (spontaneous) | 1 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 1 | Face-to-face interview, immediately after the main survey (spontaneous) | 576 | 
                                                                 
                                    
                                    99.1%
                                 
                                                             | 
                                                        
                    
| 2 | Continue by phone at a later date (spontaneous) | 4 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             |