| Value | Category | Cases | |
|---|---|---|---|
| 1 | Correct | 140 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | Not correct | 1137 | 
                                                                 
                                    
                                    25.9%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 59 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| 9 | NA | 28 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 3028 | 
                                                                 
                                    
                                    68.9%
                                 
                                                             |