| Value | Category | Cases | |
|---|---|---|---|
| Difficult | 20 |
8.9%
|
|
| Easy | 25 |
11.1%
|
|
| Neither easy nor difficult | 83 |
36.9%
|
|
| Rather difficult | 54 |
24%
|
|
| Rather easy | 43 |
19.1%
|