| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 386 | 
                                    
                                    21.2%
                                 | 
| 1 | Correct | 1419 | 
                                    
                                    77.9%
                                 | 
| 999 | Refused/Skipped | 17 | 
                                    
                                    0.9%
                                 |