| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not Difficult | 687 |
65.7%
|
| 1 | A little Difficult | 106 |
10.1%
|
| 2 | Quite Difficult | 117 |
11.2%
|
| 3 | Very Difficult | 70 |
6.7%
|
| 4 | Extremely Difficult | 65 |
6.2%
|