| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 480 |
31.8%
|
| 2 | Eher leicht | 929 |
61.6%
|
| 3 | wn | 95 |
6.3%
|
| 9 | k.A. | 5 |
0.3%
|