| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 | 
                                    
                                    0.2%
                                 | 
| -8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| -5 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 1 | 
                                    
                                    0.1%
                                 | 
| 1 | Yes | 0 | 
                                    
                                    0%
                                 | 
| 2 | No | 980 | 
                                    
                                    99.7%
                                 | 
| Sysmiss | 16 |