| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 1116 |
22.8%
|
| 1.0 | Correct | 3291 |
67.2%
|
| i | Invalid | 2 |
0%
|
| u | Unanswered | 487 |
9.9%
|
| Sysmiss | 3 |