| Value | Category | Cases | |
|---|---|---|---|
| 1 | Right answer | 2254 | 
                                                                 
                                    
                                    51.3%
                                 
                                                             | 
                                                        
                    
| 2 | Wrong answer | 1041 | 
                                                                 
                                    
                                    23.7%
                                 
                                                             | 
                                                        
                    
| 8 | DK | 1076 | 
                                                                 
                                    
                                    24.5%
                                 
                                                             | 
                                                        
                    
| 9 | NA | 21 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             |