| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 576 |
38.1%
|
| 2 | Eher leicht | 791 |
52.3%
|
| 3 | wn | 134 |
8.9%
|
| 9 | k.A. | 12 |
0.8%
|