| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 15 |
4.8%
|
| 2 | somewhat difficult | 67 |
21.5%
|
| 3 | somewhat easy | 84 |
26.9%
|
| 4 | easy | 65 |
20.8%
|
| 5 | very easy | 19 |
6.1%
|
| 6 | No opinion | 62 |
19.9%
|
| Sysmiss | 116 |