| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 | 
                                    
                                    4.8%
                                 | 
| -8 | Refusal (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| -7 | Does not apply (spontaneous) | 0 | 
                                    
                                    0%
                                 | 
| 1 | Yes | 2 | 
                                    
                                    1.9%
                                 | 
| 2 | No | 98 | 
                                    
                                    93.3%
                                 | 
| Sysmiss | 850 |