| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Difficult | 53 |
2.2%
|
| 2 | Difficult | 254 |
10.6%
|
| 3 | Easy | 1108 |
46.2%
|
| 4 | Very Easy | 496 |
20.7%
|
| 5 | Never Try | 370 |
15.4%
|
| 9 | Don’t know | 118 |
4.9%
|