| Value | Category | Cases | |
|---|---|---|---|
| -9 | 618 | 
                                
                                11.5%
                             | |
| 0 | No | 1597 | 
                                
                                29.6%
                             | 
| 1 | Yes | 62 | 
                                
                                1.1%
                             | 
| 3 | Not Sure | 0 | 
                                
                                0%
                             | 
| 5 | Missing | 1 | 
                                
                                0%
                             | 
| 6 | Other | 0 | 
                                
                                0%
                             | 
| 7 | Refusal | 0 | 
                                
                                0%
                             | 
| 8 | Don't Know | 0 | 
                                
                                0%
                             | 
| 9 | Not applicable | 3115 | 
                                
                                57.7%
                             | 
| 22 | 1 | 
                                
                                0%
                             |