| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 17 |
5.4%
|
| 2 | somewhat difficult | 64 |
20.5%
|
| 3 | somewhat easy | 87 |
27.9%
|
| 4 | easy | 57 |
18.3%
|
| 5 | very easy | 39 |
12.5%
|
| 6 | No opinion | 48 |
15.4%
|
| Sysmiss | 116 |