| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 177 | 
                                    
                                    25.1%
                                 | 
| 2 | Eher leicht | 476 | 
                                    
                                    67.4%
                                 | 
| 3 | wn | 0 | 
                                    
                                    0%
                                 | 
| 9 | k.A. | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 53 | 
                                    
                                    7.5%
                                 |