| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult. | 695 |
19%
|
| 2 | Fairly difficult. | 387 |
10.6%
|
| 3 | Fairly easy. | 535 |
14.6%
|
| 4 | Very easy | 2048 |
55.9%
|
| Sysmiss | 373 |