| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| 0 | No | 791 | 
                                                                 
                                    
                                    65.9%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 406 | 
                                                                 
                                    
                                    33.8%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |