| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 15 |
4.8%
|
| 2 | somewhat difficult | 67 |
21.6%
|
| 3 | somewhat easy | 62 |
20%
|
| 4 | easy | 73 |
23.5%
|
| 5 | very easy | 43 |
13.9%
|
| 6 | No opinion | 50 |
16.1%
|
| Sysmiss | 118 |