| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 259 | 
                                                                 
                                    
                                    8.3%
                                 
                                                             | 
                                                        
                    
| 2 | No | 1874 | 
                                                                 
                                    
                                    60.1%
                                 
                                                             | 
                                                        
                    
| 8 | Not applicable | 968 | 
                                                                 
                                    
                                    31.1%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 16 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 5 |