| Value | Category | Cases | |
|---|---|---|---|
| 0.0 | Incorrect | 3098 |
63.3%
|
| 1.0 | Correct | 1141 |
23.3%
|
| i | Invalid | 50 |
1%
|
| u | Unanswered | 607 |
12.4%
|
| Sysmiss | 3 |