| Value | Category | Cases | |
|---|---|---|---|
| Difficult | 11 |
4.9%
|
|
| Easy | 40 |
17.8%
|
|
| Neither easy nor difficult | 86 |
38.2%
|
|
| Rather difficult | 47 |
20.9%
|
|
| Rather easy | 41 |
18.2%
|