| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 693 |
45.9%
|
| 2 | Eher leicht | 624 |
41.4%
|
| 3 | wn | 166 |
11%
|
| 9 | k.A. | 26 |
1.7%
|