| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Difficult | 180 |
7.5%
|
| 2 | Difficult | 659 |
27.5%
|
| 3 | Easy | 962 |
40.1%
|
| 4 | Very Easy | 375 |
15.6%
|
| 5 | Never Try | 185 |
7.7%
|
| 9 | Don’t know | 38 |
1.6%
|