| Value | Category | Cases | |
|---|---|---|---|
| 1 | difficult | 31 |
24%
|
| 2 | easy | 60 |
46.5%
|
| 3 | neutral | 17 |
13.2%
|
| 4 | verydifficult | 9 |
7%
|
| 5 | veryeasy | 12 |
9.3%
|