| Value | Category | Cases | |
|---|---|---|---|
| -999 | Refuse to answer | 10 | 
                                                                 
                                    
                                    1.5%
                                 
                                                             | 
                                                        
                    
| -998 | Don't know | 4 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| 0 | No | 77 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    
| 1 | Yes | 587 | 
                                                                 
                                    
                                    86.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 1503 |