| Value | Category | Cases | |
|---|---|---|---|
| 1 | difficult | 32 |
17.5%
|
| 2 | easy | 98 |
53.6%
|
| 3 | neutral | 17 |
9.3%
|
| 4 | verydifficult | 10 |
5.5%
|
| 5 | veryeasy | 26 |
14.2%
|