| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very easy | 13 |
17.1%
|
| 2 | Fairly easy | 32 |
42.1%
|
| 3 | Fairly difficult | 16 |
21.1%
|
| 4 | Very difficult | 15 |
19.7%
|
| Sysmiss | 47120 |