| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 142 |
5.9%
|
| 2 | Easy | 721 |
30%
|
| 3 | Difficult | 467 |
19.5%
|
| 4 | Very Difficult | 139 |
5.8%
|
| 7 | Not Applicable | 931 |
38.8%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|