| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Difficult | 495 |
20.4%
|
| 2 | Difficult | 655 |
27%
|
| 3 | Easy | 362 |
14.9%
|
| 4 | Very Easy | 41 |
1.7%
|
| 7 | Never Try | 800 |
32.9%
|
| 9 | Don't know | 75 |
3.1%
|