| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 130 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 2 | No | 2488 | 
                                                                 
                                    
                                    30.2%
                                 
                                                             | 
                                                        
                    
| 8 | NA | 5612 | 
                                                                 
                                    
                                    68.1%
                                 
                                                             | 
                                                        
                    
| 9 | Don’t know | 8 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6 |