| Value | Category | Cases | |
|---|---|---|---|
| 1 | very difficult | 16 |
5.3%
|
| 2 | somewhat difficult | 66 |
21.9%
|
| 3 | somewhat easy | 75 |
24.9%
|
| 4 | easy | 58 |
19.3%
|
| 5 | very easy | 19 |
6.3%
|
| 6 | No opinion | 67 |
22.3%
|
| Sysmiss | 127 |