| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 14 |
4.5%
|
| 2 | somewhat difficult | 61 |
19.8%
|
| 3 | somewhat easy | 75 |
24.4%
|
| 4 | easy | 64 |
20.8%
|
| 5 | very easy | 18 |
5.8%
|
| 6 | No opinion | 76 |
24.7%
|
| Sysmiss | 120 |