| Value | Category | Cases | |
|---|---|---|---|
| 1 | Difficult | 14 |
17.5%
|
| 2 | Somewhat difficult | 24 |
30%
|
| 3 | Easy | 40 |
50%
|
| 4 | Very Easy | 2 |
2.5%
|
| Sysmiss | 511 |