| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | No | 461 | 
                                                                 
                                    
                                    19.2%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 193 | 
                                                                 
                                    
                                    8%
                                 
                                                             | 
                                                        
                    
| 7 | Not applicable | 1740 | 
                                                                 
                                    
                                    72.5%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 6 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |