| Value | Category | Cases | |
|---|---|---|---|
| Difficult | 61 |
27.1%
|
|
| Easy | 8 |
3.6%
|
|
| Neither easy nor difficult | 72 |
32%
|
|
| Rather difficult | 63 |
28%
|
|
| Rather easy | 21 |
9.3%
|