| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very easy | 33 |
19.3%
|
| 2 | Fairly easy | 75 |
43.9%
|
| 3 | Fairly difficult | 47 |
27.5%
|
| 4 | Very difficult | 16 |
9.4%
|
| Sysmiss | 52028 |