| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 9 |
2.4%
|
| 2 | somewhat difficult | 57 |
15.4%
|
| 3 | somewhat easy | 94 |
25.3%
|
| 4 | easy | 117 |
31.5%
|
| 5 | very easy | 54 |
14.6%
|
| 6 | No opinion | 40 |
10.8%
|
| Sysmiss | 57 |