| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 63 |
5.3%
|
| 2 | Easy | 212 |
17.7%
|
| 3 | Difficult | 263 |
21.9%
|
| 4 | Very Difficult | 108 |
9%
|
| 7 | Not Applicable | 553 |
46.1%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|