| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes | 1887 | 
                                    
                                    23.3%
                                 | 
| 3 | 3. No | 6229 | 
                                    
                                    76.7%
                                 | 
| 4 | 4. Not probed | 0 | 
                                    
                                    0%
                                 | 
| 6 | 6. N/A | 0 | 
                                    
                                    0%
                                 | 
| 7 | 7. Refuse | 0 | 
                                    
                                    0%
                                 | 
| 8 | 8. DK | 0 | 
                                    
                                    0%
                                 | 
| 9 | 9. Miss | 0 | 
                                    
                                    0%
                                 |