| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 259 | 
                                    
                                    14.2%
                                 | 
| 1 | Correct | 1508 | 
                                    
                                    82.8%
                                 | 
| 999 | Refused/Skipped | 55 | 
                                    
                                    3%
                                 |