| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not difficult at all | 739 |
55.8%
|
| 1 | Somewhat difficult | 372 |
28.1%
|
| 2 | Very difficult | 0 |
0%
|
| 3 | Extremely difficult | 214 |
16.2%
|
| 4 | Very difficult | 0 |
0%
|