| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 465 |
30.7%
|
| 2 | Eher leicht | 898 |
59.3%
|
| 3 | wn | 128 |
8.5%
|
| 9 | k.A. | 23 |
1.5%
|