| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 54 | 
                                    
                                    0.5%
                                 | 
| -8 | Refused | 11 | 
                                    
                                    0.1%
                                 | 
| -5 | Not applicable | 0 | 
                                    
                                    0%
                                 | 
| -3 | Missing | 9 | 
                                    
                                    0.1%
                                 | 
| 1 | Yes | 306 | 
                                    
                                    2.8%
                                 | 
| 2 | No | 10459 | 
                                    
                                    96.5%
                                 | 
| Sysmiss | 2880 |