| Value | Category | Cases | |
|---|---|---|---|
| 1 | Eher schwierig | 289 |
19.2%
|
| 2 | Eher leicht | 1160 |
76.9%
|
| 3 | wn | 52 |
3.4%
|
| 9 | k.A. | 8 |
0.5%
|