| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 32 |
9.8%
|
| 2 | somewhat difficult | 67 |
20.5%
|
| 3 | somewhat easy | 79 |
24.2%
|
| 4 | easy | 76 |
23.2%
|
| 5 | very easy | 40 |
12.2%
|
| 6 | No opinion | 33 |
10.1%
|
| Sysmiss | 101 |