| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 332 |
22%
|
| 2 | Eher leicht | 886 |
58.8%
|
| 3 | wn | 241 |
16%
|
| 9 | k.A. | 48 |
3.2%
|