| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 129 |
10.8%
|
| 2 | Easy | 297 |
24.8%
|
| 3 | Difficult | 180 |
15%
|
| 4 | Very Difficult | 93 |
7.8%
|
| 7 | Not applicable | 501 |
41.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't know | 0 |
0%
|