| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 20 |
6.2%
|
| 2 | somewhat difficult | 60 |
18.7%
|
| 3 | somewhat easy | 93 |
29%
|
| 4 | easy | 56 |
17.4%
|
| 5 | very easy | 30 |
9.3%
|
| 6 | No opinion | 62 |
19.3%
|
| Sysmiss | 107 |