| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | No | 673 | 
                                                                 
                                    
                                    55.7%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 532 | 
                                                                 
                                    
                                    44%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 3 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |