| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 24 |
7.8%
|
| 2 | somewhat difficult | 62 |
20.2%
|
| 3 | somewhat easy | 61 |
19.9%
|
| 4 | easy | 62 |
20.2%
|
| 5 | very easy | 26 |
8.5%
|
| 6 | No opinion | 72 |
23.5%
|
| Sysmiss | 121 |