| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 318 |
21.1%
|
| 2 | Eher leicht | 1134 |
75.1%
|
| 3 | wn | 48 |
3.2%
|
| 9 | k.A. | 9 |
0.6%
|