| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 22 |
6.8%
|
| 2 | somewhat difficult | 49 |
15.1%
|
| 3 | somewhat easy | 84 |
25.9%
|
| 4 | easy | 81 |
25%
|
| 5 | very easy | 42 |
13%
|
| 6 | No opinion | 46 |
14.2%
|
| Sysmiss | 104 |