| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 497 | 
                                    
                                    27.3%
                                 | 
| 1 | Correct | 1290 | 
                                    
                                    70.8%
                                 | 
| 999 | Refused/Skipped | 35 | 
                                    
                                    1.9%
                                 |