| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 3410 |
69.6%
|
| 1.0 | Correct | 462 |
9.4%
|
| i | Invalid | 217 |
4.4%
|
| u | Unanswered | 807 |
16.5%
|
| Sysmiss | 3 |