| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 59 |
4.9%
|
| 2 | Easy | 164 |
13.7%
|
| 3 | Difficult | 256 |
21.3%
|
| 4 | Very Difficult | 166 |
13.8%
|
| 7 | Not Applicable | 554 |
46.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|