| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 33 |
2.8%
|
| 2 | Easy | 171 |
14.3%
|
| 3 | Difficult | 184 |
15.3%
|
| 4 | Very Difficult | 177 |
14.8%
|
| 7 | Not Applicable | 633 |
52.8%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 1 |
0.1%
|