| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 233 |
19.4%
|
| 2 | Easy | 172 |
14.3%
|
| 3 | Difficult | 87 |
7.3%
|
| 4 | Very Difficult | 72 |
6%
|
| 7 | Not Applicable | 635 |
52.9%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|