| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 499 |
33.1%
|
| 2 | Eher leicht | 866 |
57.5%
|
| 3 | wn | 131 |
8.7%
|
| 9 | k.A. | 11 |
0.7%
|