| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Very easy | 1377 |
47.2%
|
| 2 | 2. Somewhat easy | 1338 |
45.9%
|
| 3 | 3. Neither easy nor difficult | 158 |
5.4%
|
| 4 | 4. Somewhat difficult | 18 |
0.6%
|
| 5 | 5. Very difficult | 25 |
0.9%
|
| Sysmiss | 31 |