| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 16 |
4.7%
|
| 2 | somewhat difficult | 52 |
15.2%
|
| 3 | somewhat easy | 92 |
26.8%
|
| 4 | easy | 102 |
29.7%
|
| 5 | very easy | 49 |
14.3%
|
| 6 | No opinion | 32 |
9.3%
|
| Sysmiss | 85 |