| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 89 | 
                                    
                                    4.9%
                                 | 
| 1 | Correct | 1715 | 
                                    
                                    94.1%
                                 | 
| 999 | Refused/Skipped | 18 | 
                                    
                                    1%
                                 |