| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 153 | 
                                    
                                    21.7%
                                 | 
| 2 | Eher leicht | 502 | 
                                    
                                    71.1%
                                 | 
| 3 | wn | 0 | 
                                    
                                    0%
                                 | 
| 9 | k.A. | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 51 | 
                                    
                                    7.2%
                                 |