| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 12 |
3.9%
|
| 2 | somewhat difficult | 63 |
20.5%
|
| 3 | somewhat easy | 80 |
26%
|
| 4 | easy | 65 |
21.1%
|
| 5 | very easy | 15 |
4.9%
|
| 6 | No opinion | 73 |
23.7%
|
| Sysmiss | 120 |