| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | No | 1868 | 
                                                                 
                                    
                                    77.8%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 528 | 
                                                                 
                                    
                                    22%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 4 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |