| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refuse to answer | 9 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    
| -998 | Don't know | 4 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 0 | No | 24 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 929 | 
                                                                 
                                    
                                    96.2%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1215 |