| Value | Category | Cases | |
|---|---|---|---|
| 0 | 19 | 
                                    
                                    5.1%
                                 | |
| 1 | Incorrect | 148 | 
                                    
                                    40.1%
                                 | 
| 2 | Correct | 202 | 
                                    
                                    54.7%
                                 | 
| 3 | No response/ refusal | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 112 |