| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Easy | 214 |
12.6%
|
| 2 | Easy | 680 |
40.2%
|
| 3 | Cant tell | 334 |
19.7%
|
| 4 | Difficult | 367 |
21.7%
|
| 5 | Very difficult | 98 |
5.8%
|
| Sysmiss | 287 |