| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not Difficult | 818 |
78.3%
|
| 1 | A little Difficult | 116 |
11.1%
|
| 2 | Quite Difficult | 68 |
6.5%
|
| 3 | Very Difficult | 30 |
2.9%
|
| 4 | Extremely Difficult | 13 |
1.2%
|