| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refusal (spontaneous) | 2 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 1 | Male | 683 | 
                                                                 
                                    
                                    62.1%
                                 
                                                             | 
                                                        
                    
| 2 | Female | 415 | 
                                                                 
                                    
                                    37.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 346 |