| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 25 |
19.5%
|
| 2 | Fairly difficult | 7 |
5.5%
|
| 3 | Fairly easy | 8 |
6.3%
|
| 4 | Very easy | 19 |
14.8%
|
| 5 | I don't know | 69 |
53.9%
|
| Sysmiss | 2 |