| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Difficult | 155 |
7%
|
| 2 | Difficult | 336 |
15.2%
|
| 3 | Easy | 1070 |
48.4%
|
| 4 | Very Easy | 275 |
12.4%
|
| 7 | Never Try | 349 |
15.8%
|
| 9 | Don't know | 25 |
1.1%
|