| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 27 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 2 | No | 6217 | 
                                                                 
                                    
                                    99.3%
                                 
                                                             | 
                                                        
                    
| 9 | No response | 18 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2271 |