| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 12 |
3.9%
|
| 2 | somewhat difficult | 65 |
20.9%
|
| 3 | somewhat easy | 58 |
18.6%
|
| 4 | easy | 73 |
23.5%
|
| 5 | very easy | 47 |
15.1%
|
| 6 | No opinion | 56 |
18%
|
| Sysmiss | 117 |