| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 298 |
19.7%
|
| 2 | Eher leicht | 1127 |
74.5%
|
| 3 | wn | 78 |
5.2%
|
| 9 | k.A. | 10 |
0.7%
|