| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 240 | 
                                    
                                    13.2%
                                 | 
| 1 | Correct | 1553 | 
                                    
                                    85.3%
                                 | 
| 999 | Refused/Skipped | 28 | 
                                    
                                    1.5%
                                 | 
| Sysmiss | 1 |