| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 7 |
1.9%
|
| 2 | somewhat difficult | 45 |
12.3%
|
| 3 | somewhat easy | 89 |
24.4%
|
| 4 | easy | 131 |
35.9%
|
| 5 | very easy | 67 |
18.4%
|
| 6 | No opinion | 26 |
7.1%
|
| Sysmiss | 63 |