| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 147 |
12.3%
|
| 2 | Easy | 317 |
26.4%
|
| 3 | Difficult | 138 |
11.5%
|
| 4 | Very Difficult | 34 |
2.8%
|
| 7 | Not Applicable | 564 |
47%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|