| Value | Category | Cases | |
|---|---|---|---|
| 0 | CORRECT | 2209 | 
                                                                 
                                    
                                    17.8%
                                 
                                                             | 
                                                        
                    
| 1 | INCORRECT | 171 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 2 | NON ATTEINT | 446 | 
                                                                 
                                    
                                    3.6%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 9603 | 
                                                                 
                                    
                                    77.3%
                                 
                                                             |