| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 398 |
26.4%
|
| 2 | Eher leicht | 824 |
54.7%
|
| 3 | wn | 237 |
15.7%
|
| 9 | k.A. | 48 |
3.2%
|