| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 39 |
3.3%
|
| 2 | Easy | 163 |
13.6%
|
| 3 | Difficult | 228 |
19%
|
| 4 | Very Difficult | 144 |
12%
|
| 7 | Not Applicable | 626 |
52.2%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|