| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 110 |
9.2%
|
| 2 | Easy | 359 |
29.9%
|
| 3 | Difficult | 173 |
14.4%
|
| 4 | Very Difficult | 79 |
6.6%
|
| 7 | Not Applicable | 479 |
39.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|