| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very easy | 190 |
15.8%
|
| 2 | Easy | 315 |
26.3%
|
| 3 | Difficult | 214 |
17.8%
|
| 4 | Very Difficult | 191 |
15.9%
|
| 7 | Not Applicable | 289 |
24.1%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 0 |
0%
|