| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 16 |
5.3%
|
| 2 | somewhat difficult | 64 |
21.2%
|
| 3 | somewhat easy | 56 |
18.5%
|
| 4 | easy | 61 |
20.2%
|
| 5 | very easy | 40 |
13.2%
|
| 6 | No opinion | 65 |
21.5%
|
| Sysmiss | 126 |