| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 0 |
0%
|
| 2 | Difficult | 2 |
50%
|
| 3 | Normal | 2 |
50%
|
| 4 | Easy | 0 |
0%
|
| 5 | Very easy | 0 |
0%
|
| Sysmiss | 93 |