| Value | Category | Cases | |
|---|---|---|---|
| 0 | Incorrect/Do not know | 327 | 
                                    
                                    18%
                                 | 
| 1 | Correct | 1443 | 
                                    
                                    79.2%
                                 | 
| 999 | Refused/Skipped | 51 | 
                                    
                                    2.8%
                                 | 
| Sysmiss | 1 |