| Value | Category | Cases | |
|---|---|---|---|
| -9 | 616 | 
                                
                                11.4%
                             | |
| 0 | No | 3529 | 
                                
                                65.4%
                             | 
| 1 | Yes | 524 | 
                                
                                9.7%
                             | 
| 3 | Not Sure | 0 | 
                                
                                0%
                             | 
| 5 | Missing | 0 | 
                                
                                0%
                             | 
| 6 | Other | 0 | 
                                
                                0%
                             | 
| 7 | Refusal | 0 | 
                                
                                0%
                             | 
| 8 | Don't Know | 0 | 
                                
                                0%
                             | 
| 9 | Not applicable | 725 | 
                                
                                13.4%
                             |