| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 12 |
3.6%
|
| 2 | somewhat difficult | 70 |
21.1%
|
| 3 | somewhat easy | 82 |
24.8%
|
| 4 | easy | 79 |
23.9%
|
| 5 | very easy | 25 |
7.6%
|
| 6 | No opinion | 63 |
19%
|
| Sysmiss | 97 |