| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 342 |
22.6%
|
| 2 | Eher leicht | 926 |
61.2%
|
| 3 | wn | 193 |
12.7%
|
| 9 | k.A. | 53 |
3.5%
|