| Value | Category | Cases | |
|---|---|---|---|
| 0 | Äusserst schwierig | 330 |
16.2%
|
| 1 | 126 |
6.2%
|
|
| 2 | 157 |
7.7%
|
|
| 3 | 116 |
5.7%
|
|
| 4 | 58 |
2.8%
|
|
| 5 | 107 |
5.2%
|
|
| 6 | 39 |
1.9%
|
|
| 7 | 45 |
2.2%
|
|
| 8 | 52 |
2.5%
|
|
| 9 | 24 |
1.2%
|
|
| 10 | Äusserst leicht | 24 |
1.2%
|
| 66 | Filter | 943 |
46.2%
|
| 88 | Weiss nicht | 19 |
0.9%
|