| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 325 |
27.1%
|
| 2 | Easy | 277 |
23.1%
|
| 3 | Difficult | 106 |
8.8%
|
| 4 | Very Difficult | 99 |
8.3%
|
| 7 | Not applicable | 393 |
32.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|